Home / 1,331.37-1,827.52-1,180.71

Finding the Fourth Proportional to 1,331.37, 1,827.52 and 1,180.71

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Solution

The fourth proportional to 1,331.37, 1,827.52 and 1,180.71 is: 1,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.37 : 1,827.52 = 1,180.71 : x
  2. Step 2: Convert to fraction form
    1,331.37/1,827.52 = 1,180.71/x
  3. Step 3: Cross multiply
    1,331.37x = 1,827.52 × 1,180.71
  4. Step 4: Simplify right side
    1,331.37x = 2,157,768.19
  5. Step 5: Solve for x
    x = 2,157,768.19/1,331.37
  6. Step 6: Final answer
    x = 1,620.71

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,332.37, 1,828.89 and 1,181.71
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.