Home / 2,543.31-3,815.55-2,325.81

Finding the Fourth Proportional to 2,543.31, 3,815.55 and 2,325.81

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Solution

The fourth proportional to 2,543.31, 3,815.55 and 2,325.81 is: 3,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.31 : 3,815.55 = 2,325.81 : x
  2. Step 2: Convert to fraction form
    2,543.31/3,815.55 = 2,325.81/x
  3. Step 3: Cross multiply
    2,543.31x = 3,815.55 × 2,325.81
  4. Step 4: Simplify right side
    2,543.31x = 8,874,244.35
  5. Step 5: Solve for x
    x = 8,874,244.35/2,543.31
  6. Step 6: Final answer
    x = 3,489.25

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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.