Home / 2,453.39-3,387.07-1,615.49

Finding the Fourth Proportional to 2,453.39, 3,387.07 and 1,615.49

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Solution

The fourth proportional to 2,453.39, 3,387.07 and 1,615.49 is: 2,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.39 : 3,387.07 = 1,615.49 : x
  2. Step 2: Convert to fraction form
    2,453.39/3,387.07 = 1,615.49/x
  3. Step 3: Cross multiply
    2,453.39x = 3,387.07 × 1,615.49
  4. Step 4: Simplify right side
    2,453.39x = 5,471,785.46
  5. Step 5: Solve for x
    x = 5,471,785.46/2,453.39
  6. Step 6: Final answer
    x = 2,230.30

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Half 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.