Home / 3,508.76-5,263.10-1,317.44

Finding the Fourth Proportional to 3,508.76, 5,263.10 and 1,317.44

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Solution

The fourth proportional to 3,508.76, 5,263.10 and 1,317.44 is: 1,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.76 : 5,263.10 = 1,317.44 : x
  2. Step 2: Convert to fraction form
    3,508.76/5,263.10 = 1,317.44/x
  3. Step 3: Cross multiply
    3,508.76x = 5,263.10 × 1,317.44
  4. Step 4: Simplify right side
    3,508.76x = 6,933,818.46
  5. Step 5: Solve for x
    x = 6,933,818.46/3,508.76
  6. Step 6: Final answer
    x = 1,976.14

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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.