Home / 3,909.20-5,394.24-2,337.04

Finding the Fourth Proportional to 3,909.20, 5,394.24 and 2,337.04

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Solution

The fourth proportional to 3,909.20, 5,394.24 and 2,337.04 is: 3,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.20 : 5,394.24 = 2,337.04 : x
  2. Step 2: Convert to fraction form
    3,909.20/5,394.24 = 2,337.04/x
  3. Step 3: Cross multiply
    3,909.20x = 5,394.24 × 2,337.04
  4. Step 4: Simplify right side
    3,909.20x = 12,606,554.65
  5. Step 5: Solve for x
    x = 12,606,554.65/3,909.20
  6. Step 6: Final answer
    x = 3,224.84

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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.