Home / 3,658.14-5,484.72-1,709.28

Finding the Fourth Proportional to 3,658.14, 5,484.72 and 1,709.28

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Solution

The fourth proportional to 3,658.14, 5,484.72 and 1,709.28 is: 2,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.14 : 5,484.72 = 1,709.28 : x
  2. Step 2: Convert to fraction form
    3,658.14/5,484.72 = 1,709.28/x
  3. Step 3: Cross multiply
    3,658.14x = 5,484.72 × 1,709.28
  4. Step 4: Simplify right side
    3,658.14x = 9,374,922.20
  5. Step 5: Solve for x
    x = 9,374,922.20/3,658.14
  6. Step 6: Final answer
    x = 2,562.76

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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.