Home / 3,432.30-5,148.45-2,047.20

Finding the Fourth Proportional to 3,432.30, 5,148.45 and 2,047.20

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Solution

The fourth proportional to 3,432.30, 5,148.45 and 2,047.20 is: 3,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.30 : 5,148.45 = 2,047.20 : x
  2. Step 2: Convert to fraction form
    3,432.30/5,148.45 = 2,047.20/x
  3. Step 3: Cross multiply
    3,432.30x = 5,148.45 × 2,047.20
  4. Step 4: Simplify right side
    3,432.30x = 10,539,906.84
  5. Step 5: Solve for x
    x = 10,539,906.84/3,432.30
  6. Step 6: Final answer
    x = 3,070.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.