Home / 2,432.47-3,355.88-1,487.78

Finding the Fourth Proportional to 2,432.47, 3,355.88 and 1,487.78

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Solution

The fourth proportional to 2,432.47, 3,355.88 and 1,487.78 is: 2,052.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.47 : 3,355.88 = 1,487.78 : x
  2. Step 2: Convert to fraction form
    2,432.47/3,355.88 = 1,487.78/x
  3. Step 3: Cross multiply
    2,432.47x = 3,355.88 × 1,487.78
  4. Step 4: Simplify right side
    2,432.47x = 4,992,826.76
  5. Step 5: Solve for x
    x = 4,992,826.76/2,432.47
  6. Step 6: Final answer
    x = 2,052.58

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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.