Home / 2,472.47-3,412.08-1,353.49

Finding the Fourth Proportional to 2,472.47, 3,412.08 and 1,353.49

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Solution

The fourth proportional to 2,472.47, 3,412.08 and 1,353.49 is: 1,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.47 : 3,412.08 = 1,353.49 : x
  2. Step 2: Convert to fraction form
    2,472.47/3,412.08 = 1,353.49/x
  3. Step 3: Cross multiply
    2,472.47x = 3,412.08 × 1,353.49
  4. Step 4: Simplify right side
    2,472.47x = 4,618,216.16
  5. Step 5: Solve for x
    x = 4,618,216.16/2,472.47
  6. Step 6: Final answer
    x = 1,867.86

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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.