Home / 2,543.14-3,815.43-1,082.50

Finding the Fourth Proportional to 2,543.14, 3,815.43 and 1,082.50

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Solution

The fourth proportional to 2,543.14, 3,815.43 and 1,082.50 is: 1,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.14 : 3,815.43 = 1,082.50 : x
  2. Step 2: Convert to fraction form
    2,543.14/3,815.43 = 1,082.50/x
  3. Step 3: Cross multiply
    2,543.14x = 3,815.43 × 1,082.50
  4. Step 4: Simplify right side
    2,543.14x = 4,130,202.98
  5. Step 5: Solve for x
    x = 4,130,202.98/2,543.14
  6. Step 6: Final answer
    x = 1,624.06

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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.