Home / 1,343.26-1,855.11-1,232.70

Finding the Fourth Proportional to 1,343.26, 1,855.11 and 1,232.70

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Solution

The fourth proportional to 1,343.26, 1,855.11 and 1,232.70 is: 1,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.26 : 1,855.11 = 1,232.70 : x
  2. Step 2: Convert to fraction form
    1,343.26/1,855.11 = 1,232.70/x
  3. Step 3: Cross multiply
    1,343.26x = 1,855.11 × 1,232.70
  4. Step 4: Simplify right side
    1,343.26x = 2,286,794.10
  5. Step 5: Solve for x
    x = 2,286,794.10/1,343.26
  6. Step 6: Final answer
    x = 1,702.42

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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.