Home / 2,543.97-3,816.30-2,390.19

Finding the Fourth Proportional to 2,543.97, 3,816.30 and 2,390.19

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Solution

The fourth proportional to 2,543.97, 3,816.30 and 2,390.19 is: 3,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.97 : 3,816.30 = 2,390.19 : x
  2. Step 2: Convert to fraction form
    2,543.97/3,816.30 = 2,390.19/x
  3. Step 3: Cross multiply
    2,543.97x = 3,816.30 × 2,390.19
  4. Step 4: Simplify right side
    2,543.97x = 9,121,682.10
  5. Step 5: Solve for x
    x = 9,121,682.10/2,543.97
  6. Step 6: Final answer
    x = 3,585.61

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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.