Home / 1,533.67-2,115.51-1,337.65

Finding the Fourth Proportional to 1,533.67, 2,115.51 and 1,337.65

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Solution

The fourth proportional to 1,533.67, 2,115.51 and 1,337.65 is: 1,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.67 : 2,115.51 = 1,337.65 : x
  2. Step 2: Convert to fraction form
    1,533.67/2,115.51 = 1,337.65/x
  3. Step 3: Cross multiply
    1,533.67x = 2,115.51 × 1,337.65
  4. Step 4: Simplify right side
    1,533.67x = 2,829,811.95
  5. Step 5: Solve for x
    x = 2,829,811.95/1,533.67
  6. Step 6: Final answer
    x = 1,845.12

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Double scale
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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.