Home / 3,909.25-5,395.23-2,337.31

Finding the Fourth Proportional to 3,909.25, 5,395.23 and 2,337.31

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Solution

The fourth proportional to 3,909.25, 5,395.23 and 2,337.31 is: 3,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909.25 : 5,395.23 = 2,337.31 : x
  2. Step 2: Convert to fraction form
    3,909.25/5,395.23 = 2,337.31/x
  3. Step 3: Cross multiply
    3,909.25x = 5,395.23 × 2,337.31
  4. Step 4: Simplify right side
    3,909.25x = 12,610,286.37
  5. Step 5: Solve for x
    x = 12,610,286.37/3,909.25
  6. Step 6: Final answer
    x = 3,225.76

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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.