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Finding the Fourth Proportional to 2,651.14, 3,658.74 and 1,532.08

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Solution

The fourth proportional to 2,651.14, 3,658.74 and 1,532.08 is: 2,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.14 : 3,658.74 = 1,532.08 : x
  2. Step 2: Convert to fraction form
    2,651.14/3,658.74 = 1,532.08/x
  3. Step 3: Cross multiply
    2,651.14x = 3,658.74 × 1,532.08
  4. Step 4: Simplify right side
    2,651.14x = 5,605,482.38
  5. Step 5: Solve for x
    x = 5,605,482.38/2,651.14
  6. Step 6: Final answer
    x = 2,114.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.