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Finding the Fourth Proportional to 1,774.08, 2,658.24 and 1,530

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Solution

The fourth proportional to 1,774.08, 2,658.24 and 1,530 is: 2,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.08 : 2,658.24 = 1,530 : x
  2. Step 2: Convert to fraction form
    1,774.08/2,658.24 = 1,530/x
  3. Step 3: Cross multiply
    1,774.08x = 2,658.24 × 1,530
  4. Step 4: Simplify right side
    1,774.08x = 4,067,107.20
  5. Step 5: Solve for x
    x = 4,067,107.20/1,774.08
  6. Step 6: Final answer
    x = 2,292.52

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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.