Home / 3,512.22-5,289.17-3,127.74

Finding the Fourth Proportional to 3,512.22, 5,289.17 and 3,127.74

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Solution

The fourth proportional to 3,512.22, 5,289.17 and 3,127.74 is: 4,710.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.22 : 5,289.17 = 3,127.74 : x
  2. Step 2: Convert to fraction form
    3,512.22/5,289.17 = 3,127.74/x
  3. Step 3: Cross multiply
    3,512.22x = 5,289.17 × 3,127.74
  4. Step 4: Simplify right side
    3,512.22x = 16,543,148.58
  5. Step 5: Solve for x
    x = 16,543,148.58/3,512.22
  6. Step 6: Final answer
    x = 4,710.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.