Home / 3,073.92-4,611.52-1,126.16

Finding the Fourth Proportional to 3,073.92, 4,611.52 and 1,126.16

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Solution

The fourth proportional to 3,073.92, 4,611.52 and 1,126.16 is: 1,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.92 : 4,611.52 = 1,126.16 : x
  2. Step 2: Convert to fraction form
    3,073.92/4,611.52 = 1,126.16/x
  3. Step 3: Cross multiply
    3,073.92x = 4,611.52 × 1,126.16
  4. Step 4: Simplify right side
    3,073.92x = 5,193,309.36
  5. Step 5: Solve for x
    x = 5,193,309.36/3,073.92
  6. Step 6: Final answer
    x = 1,689.47

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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.