Home / 2,487.60-3,432.12-1,492.38

Finding the Fourth Proportional to 2,487.60, 3,432.12 and 1,492.38

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Solution

The fourth proportional to 2,487.60, 3,432.12 and 1,492.38 is: 2,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.60 : 3,432.12 = 1,492.38 : x
  2. Step 2: Convert to fraction form
    2,487.60/3,432.12 = 1,492.38/x
  3. Step 3: Cross multiply
    2,487.60x = 3,432.12 × 1,492.38
  4. Step 4: Simplify right side
    2,487.60x = 5,122,027.25
  5. Step 5: Solve for x
    x = 5,122,027.25/2,487.60
  6. Step 6: Final answer
    x = 2,059.02

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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.