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Finding the Fourth Proportional to 1,335.08, 1,842.35 and 737.57

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Solution

The fourth proportional to 1,335.08, 1,842.35 and 737.57 is: 1,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.08 : 1,842.35 = 737.57 : x
  2. Step 2: Convert to fraction form
    1,335.08/1,842.35 = 737.57/x
  3. Step 3: Cross multiply
    1,335.08x = 1,842.35 × 737.57
  4. Step 4: Simplify right side
    1,335.08x = 1,358,863.01
  5. Step 5: Solve for x
    x = 1,358,863.01/1,335.08
  6. Step 6: Final answer
    x = 1,017.81

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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.