Home / 3,443.50-5,165.25-1,135.18

Finding the Fourth Proportional to 3,443.50, 5,165.25 and 1,135.18

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Solution

The fourth proportional to 3,443.50, 5,165.25 and 1,135.18 is: 1,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.50 : 5,165.25 = 1,135.18 : x
  2. Step 2: Convert to fraction form
    3,443.50/5,165.25 = 1,135.18/x
  3. Step 3: Cross multiply
    3,443.50x = 5,165.25 × 1,135.18
  4. Step 4: Simplify right side
    3,443.50x = 5,863,488.50
  5. Step 5: Solve for x
    x = 5,863,488.50/3,443.50
  6. Step 6: Final answer
    x = 1,702.77

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Double scale
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Similar ratio
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1.5x scale

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.