Home / 3,931.18-5,425.37-2,337.03

Finding the Fourth Proportional to 3,931.18, 5,425.37 and 2,337.03

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Solution

The fourth proportional to 3,931.18, 5,425.37 and 2,337.03 is: 3,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.18 : 5,425.37 = 2,337.03 : x
  2. Step 2: Convert to fraction form
    3,931.18/5,425.37 = 2,337.03/x
  3. Step 3: Cross multiply
    3,931.18x = 5,425.37 × 2,337.03
  4. Step 4: Simplify right side
    3,931.18x = 12,679,252.45
  5. Step 5: Solve for x
    x = 12,679,252.45/3,931.18
  6. Step 6: Final answer
    x = 3,225.30

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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.