Home / 3,624.48-5,437.98-1,678.14

Finding the Fourth Proportional to 3,624.48, 5,437.98 and 1,678.14

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Solution

The fourth proportional to 3,624.48, 5,437.98 and 1,678.14 is: 2,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.48 : 5,437.98 = 1,678.14 : x
  2. Step 2: Convert to fraction form
    3,624.48/5,437.98 = 1,678.14/x
  3. Step 3: Cross multiply
    3,624.48x = 5,437.98 × 1,678.14
  4. Step 4: Simplify right side
    3,624.48x = 9,125,691.76
  5. Step 5: Solve for x
    x = 9,125,691.76/3,624.48
  6. Step 6: Final answer
    x = 2,517.79

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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.