Home / 3,924.38-5,417.01-2,748.89

Finding the Fourth Proportional to 3,924.38, 5,417.01 and 2,748.89

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Solution

The fourth proportional to 3,924.38, 5,417.01 and 2,748.89 is: 3,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.38 : 5,417.01 = 2,748.89 : x
  2. Step 2: Convert to fraction form
    3,924.38/5,417.01 = 2,748.89/x
  3. Step 3: Cross multiply
    3,924.38x = 5,417.01 × 2,748.89
  4. Step 4: Simplify right side
    3,924.38x = 14,890,737.53
  5. Step 5: Solve for x
    x = 14,890,737.53/3,924.38
  6. Step 6: Final answer
    x = 3,794.42

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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.