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Finding the Fourth Proportional to 2,299.38, 3,448.55 and 655.53

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Solution

The fourth proportional to 2,299.38, 3,448.55 and 655.53 is: 983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.38 : 3,448.55 = 655.53 : x
  2. Step 2: Convert to fraction form
    2,299.38/3,448.55 = 655.53/x
  3. Step 3: Cross multiply
    2,299.38x = 3,448.55 × 655.53
  4. Step 4: Simplify right side
    2,299.38x = 2,260,624.70
  5. Step 5: Solve for x
    x = 2,260,624.70/2,299.38
  6. Step 6: Final answer
    x = 983.15

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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.