Home / 3,317.97-4,976.58-1,126.71

Finding the Fourth Proportional to 3,317.97, 4,976.58 and 1,126.71

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Solution

The fourth proportional to 3,317.97, 4,976.58 and 1,126.71 is: 1,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.97 : 4,976.58 = 1,126.71 : x
  2. Step 2: Convert to fraction form
    3,317.97/4,976.58 = 1,126.71/x
  3. Step 3: Cross multiply
    3,317.97x = 4,976.58 × 1,126.71
  4. Step 4: Simplify right side
    3,317.97x = 5,607,162.45
  5. Step 5: Solve for x
    x = 5,607,162.45/3,317.97
  6. Step 6: Final answer
    x = 1,689.94

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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.