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Finding the Fourth Proportional to 1,658.00, 2,483.48 and 1,135.55

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Solution

The fourth proportional to 1,658.00, 2,483.48 and 1,135.55 is: 1,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658.00 : 2,483.48 = 1,135.55 : x
  2. Step 2: Convert to fraction form
    1,658.00/2,483.48 = 1,135.55/x
  3. Step 3: Cross multiply
    1,658.00x = 2,483.48 × 1,135.55
  4. Step 4: Simplify right side
    1,658.00x = 2,820,097.62
  5. Step 5: Solve for x
    x = 2,820,097.62/1,658.00
  6. Step 6: Final answer
    x = 1,700.91

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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.