Home / 2,965.89-4,089.12-2,432.85

Finding the Fourth Proportional to 2,965.89, 4,089.12 and 2,432.85

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Solution

The fourth proportional to 2,965.89, 4,089.12 and 2,432.85 is: 3,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.89 : 4,089.12 = 2,432.85 : x
  2. Step 2: Convert to fraction form
    2,965.89/4,089.12 = 2,432.85/x
  3. Step 3: Cross multiply
    2,965.89x = 4,089.12 × 2,432.85
  4. Step 4: Simplify right side
    2,965.89x = 9,948,215.59
  5. Step 5: Solve for x
    x = 9,948,215.59/2,965.89
  6. Step 6: Final answer
    x = 3,354.21

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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.