Home / 1,817.52-2,508.44-1,071.24

Finding the Fourth Proportional to 1,817.52, 2,508.44 and 1,071.24

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Solution

The fourth proportional to 1,817.52, 2,508.44 and 1,071.24 is: 1,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817.52 : 2,508.44 = 1,071.24 : x
  2. Step 2: Convert to fraction form
    1,817.52/2,508.44 = 1,071.24/x
  3. Step 3: Cross multiply
    1,817.52x = 2,508.44 × 1,071.24
  4. Step 4: Simplify right side
    1,817.52x = 2,687,141.27
  5. Step 5: Solve for x
    x = 2,687,141.27/1,817.52
  6. Step 6: Final answer
    x = 1,478.47

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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.