Home / 2,543.39-3,817.04-1,138.24

Finding the Fourth Proportional to 2,543.39, 3,817.04 and 1,138.24

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Solution

The fourth proportional to 2,543.39, 3,817.04 and 1,138.24 is: 1,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.39 : 3,817.04 = 1,138.24 : x
  2. Step 2: Convert to fraction form
    2,543.39/3,817.04 = 1,138.24/x
  3. Step 3: Cross multiply
    2,543.39x = 3,817.04 × 1,138.24
  4. Step 4: Simplify right side
    2,543.39x = 4,344,706.69
  5. Step 5: Solve for x
    x = 4,344,706.69/2,543.39
  6. Step 6: Final answer
    x = 1,708.24

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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.