Home / 3,909.44-5,394.80-2,337.52

Finding the Fourth Proportional to 3,909.44, 5,394.80 and 2,337.52

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Solution

The fourth proportional to 3,909.44, 5,394.80 and 2,337.52 is: 3,225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.44 : 5,394.80 = 2,337.52 : x
  2. Step 2: Convert to fraction form
    3,909.44/5,394.80 = 2,337.52/x
  3. Step 3: Cross multiply
    3,909.44x = 5,394.80 × 2,337.52
  4. Step 4: Simplify right side
    3,909.44x = 12,610,452.90
  5. Step 5: Solve for x
    x = 12,610,452.90/3,909.44
  6. Step 6: Final answer
    x = 3,225.64

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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.