Home / 3,319.52-4,976.14-1,126.70

Finding the Fourth Proportional to 3,319.52, 4,976.14 and 1,126.70

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Solution

The fourth proportional to 3,319.52, 4,976.14 and 1,126.70 is: 1,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.52 : 4,976.14 = 1,126.70 : x
  2. Step 2: Convert to fraction form
    3,319.52/4,976.14 = 1,126.70/x
  3. Step 3: Cross multiply
    3,319.52x = 4,976.14 × 1,126.70
  4. Step 4: Simplify right side
    3,319.52x = 5,606,616.94
  5. Step 5: Solve for x
    x = 5,606,616.94/3,319.52
  6. Step 6: Final answer
    x = 1,688.98

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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.