Home / 2,451.77-3,383.48-1,332.71

Finding the Fourth Proportional to 2,451.77, 3,383.48 and 1,332.71

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Solution

The fourth proportional to 2,451.77, 3,383.48 and 1,332.71 is: 1,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.77 : 3,383.48 = 1,332.71 : x
  2. Step 2: Convert to fraction form
    2,451.77/3,383.48 = 1,332.71/x
  3. Step 3: Cross multiply
    2,451.77x = 3,383.48 × 1,332.71
  4. Step 4: Simplify right side
    2,451.77x = 4,509,174.05
  5. Step 5: Solve for x
    x = 4,509,174.05/2,451.77
  6. Step 6: Final answer
    x = 1,839.15

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Double scale
Find fourth proportional to 2,452.77, 3,384.86 and 1,333.71
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.