Home / 2,369.28-3,553.60-638.04

Finding the Fourth Proportional to 2,369.28, 3,553.60 and 638.04

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Solution

The fourth proportional to 2,369.28, 3,553.60 and 638.04 is: 956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.28 : 3,553.60 = 638.04 : x
  2. Step 2: Convert to fraction form
    2,369.28/3,553.60 = 638.04/x
  3. Step 3: Cross multiply
    2,369.28x = 3,553.60 × 638.04
  4. Step 4: Simplify right side
    2,369.28x = 2,267,338.94
  5. Step 5: Solve for x
    x = 2,267,338.94/2,369.28
  6. Step 6: Final answer
    x = 956.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.