Home / 2,581.47-3,562.44-1,402.56

Finding the Fourth Proportional to 2,581.47, 3,562.44 and 1,402.56

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Solution

The fourth proportional to 2,581.47, 3,562.44 and 1,402.56 is: 1,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.47 : 3,562.44 = 1,402.56 : x
  2. Step 2: Convert to fraction form
    2,581.47/3,562.44 = 1,402.56/x
  3. Step 3: Cross multiply
    2,581.47x = 3,562.44 × 1,402.56
  4. Step 4: Simplify right side
    2,581.47x = 4,996,535.85
  5. Step 5: Solve for x
    x = 4,996,535.85/2,581.47
  6. Step 6: Final answer
    x = 1,935.54

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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.