Home / 3,317.46-4,976.18-1,126.15

Finding the Fourth Proportional to 3,317.46, 4,976.18 and 1,126.15

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Solution

The fourth proportional to 3,317.46, 4,976.18 and 1,126.15 is: 1,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.46 : 4,976.18 = 1,126.15 : x
  2. Step 2: Convert to fraction form
    3,317.46/4,976.18 = 1,126.15/x
  3. Step 3: Cross multiply
    3,317.46x = 4,976.18 × 1,126.15
  4. Step 4: Simplify right side
    3,317.46x = 5,603,945.58
  5. Step 5: Solve for x
    x = 5,603,945.58/3,317.46
  6. Step 6: Final answer
    x = 1,689.23

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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.