Home / 3,931.74-5,425.38-2,441.88

Finding the Fourth Proportional to 3,931.74, 5,425.38 and 2,441.88

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Solution

The fourth proportional to 3,931.74, 5,425.38 and 2,441.88 is: 3,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.74 : 5,425.38 = 2,441.88 : x
  2. Step 2: Convert to fraction form
    3,931.74/5,425.38 = 2,441.88/x
  3. Step 3: Cross multiply
    3,931.74x = 5,425.38 × 2,441.88
  4. Step 4: Simplify right side
    3,931.74x = 13,248,126.91
  5. Step 5: Solve for x
    x = 13,248,126.91/3,931.74
  6. Step 6: Final answer
    x = 3,369.53

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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.