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Finding the Fourth Proportional to 1,334.80, 1,842.01 and 737.33

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Solution

The fourth proportional to 1,334.80, 1,842.01 and 737.33 is: 1,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.80 : 1,842.01 = 737.33 : x
  2. Step 2: Convert to fraction form
    1,334.80/1,842.01 = 737.33/x
  3. Step 3: Cross multiply
    1,334.80x = 1,842.01 × 737.33
  4. Step 4: Simplify right side
    1,334.80x = 1,358,160.02
  5. Step 5: Solve for x
    x = 1,358,160.02/1,334.80
  6. Step 6: Final answer
    x = 1,017.50

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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.