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Finding the Fourth Proportional to 2,387.73, 3,294.93 and 1,325.49

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Solution

The fourth proportional to 2,387.73, 3,294.93 and 1,325.49 is: 1,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.73 : 3,294.93 = 1,325.49 : x
  2. Step 2: Convert to fraction form
    2,387.73/3,294.93 = 1,325.49/x
  3. Step 3: Cross multiply
    2,387.73x = 3,294.93 × 1,325.49
  4. Step 4: Simplify right side
    2,387.73x = 4,367,396.77
  5. Step 5: Solve for x
    x = 4,367,396.77/2,387.73
  6. Step 6: Final answer
    x = 1,829.10

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1.5x scale

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.