Home / 3,318.17-4,976.94-1,126.76

Finding the Fourth Proportional to 3,318.17, 4,976.94 and 1,126.76

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Solution

The fourth proportional to 3,318.17, 4,976.94 and 1,126.76 is: 1,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.17 : 4,976.94 = 1,126.76 : x
  2. Step 2: Convert to fraction form
    3,318.17/4,976.94 = 1,126.76/x
  3. Step 3: Cross multiply
    3,318.17x = 4,976.94 × 1,126.76
  4. Step 4: Simplify right side
    3,318.17x = 5,607,824.25
  5. Step 5: Solve for x
    x = 5,607,824.25/3,318.17
  6. Step 6: Final answer
    x = 1,690.04

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1.5x scale

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.