Home / 2,471.28-3,708.19-1,085.58

Finding the Fourth Proportional to 2,471.28, 3,708.19 and 1,085.58

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Solution

The fourth proportional to 2,471.28, 3,708.19 and 1,085.58 is: 1,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.28 : 3,708.19 = 1,085.58 : x
  2. Step 2: Convert to fraction form
    2,471.28/3,708.19 = 1,085.58/x
  3. Step 3: Cross multiply
    2,471.28x = 3,708.19 × 1,085.58
  4. Step 4: Simplify right side
    2,471.28x = 4,025,536.90
  5. Step 5: Solve for x
    x = 4,025,536.90/2,471.28
  6. Step 6: Final answer
    x = 1,628.93

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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.