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Finding the Fourth Proportional to 2,397.07, 3,595.50 and 665.71

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Solution

The fourth proportional to 2,397.07, 3,595.50 and 665.71 is: 998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,397.07 : 3,595.50 = 665.71 : x
  2. Step 2: Convert to fraction form
    2,397.07/3,595.50 = 665.71/x
  3. Step 3: Cross multiply
    2,397.07x = 3,595.50 × 665.71
  4. Step 4: Simplify right side
    2,397.07x = 2,393,560.31
  5. Step 5: Solve for x
    x = 2,393,560.31/2,397.07
  6. Step 6: Final answer
    x = 998.54

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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.