Home / 2,892.09-4,341.15-1,432.20

Finding the Fourth Proportional to 2,892.09, 4,341.15 and 1,432.20

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Solution

The fourth proportional to 2,892.09, 4,341.15 and 1,432.20 is: 2,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.09 : 4,341.15 = 1,432.20 : x
  2. Step 2: Convert to fraction form
    2,892.09/4,341.15 = 1,432.20/x
  3. Step 3: Cross multiply
    2,892.09x = 4,341.15 × 1,432.20
  4. Step 4: Simplify right side
    2,892.09x = 6,217,395.03
  5. Step 5: Solve for x
    x = 6,217,395.03/2,892.09
  6. Step 6: Final answer
    x = 2,149.79

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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.