Home / 3,551.42-5,330.68-1,472.64

Finding the Fourth Proportional to 3,551.42, 5,330.68 and 1,472.64

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Solution

The fourth proportional to 3,551.42, 5,330.68 and 1,472.64 is: 2,210.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.42 : 5,330.68 = 1,472.64 : x
  2. Step 2: Convert to fraction form
    3,551.42/5,330.68 = 1,472.64/x
  3. Step 3: Cross multiply
    3,551.42x = 5,330.68 × 1,472.64
  4. Step 4: Simplify right side
    3,551.42x = 7,850,168.91
  5. Step 5: Solve for x
    x = 7,850,168.91/3,551.42
  6. Step 6: Final answer
    x = 2,210.43

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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.