Home / 3,151.27-4,719.71-1,508.98

Finding the Fourth Proportional to 3,151.27, 4,719.71 and 1,508.98

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Solution

The fourth proportional to 3,151.27, 4,719.71 and 1,508.98 is: 2,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.27 : 4,719.71 = 1,508.98 : x
  2. Step 2: Convert to fraction form
    3,151.27/4,719.71 = 1,508.98/x
  3. Step 3: Cross multiply
    3,151.27x = 4,719.71 × 1,508.98
  4. Step 4: Simplify right side
    3,151.27x = 7,121,924.40
  5. Step 5: Solve for x
    x = 7,121,924.40/3,151.27
  6. Step 6: Final answer
    x = 2,260.02

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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.