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Finding the Fourth Proportional to 1,452.47, 2,173.95 and 793.34

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Solution

The fourth proportional to 1,452.47, 2,173.95 and 793.34 is: 1,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.47 : 2,173.95 = 793.34 : x
  2. Step 2: Convert to fraction form
    1,452.47/2,173.95 = 793.34/x
  3. Step 3: Cross multiply
    1,452.47x = 2,173.95 × 793.34
  4. Step 4: Simplify right side
    1,452.47x = 1,724,681.49
  5. Step 5: Solve for x
    x = 1,724,681.49/1,452.47
  6. Step 6: Final answer
    x = 1,187.41

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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.