Home / 4,120.13-5,685.92-2,257.13

Finding the Fourth Proportional to 4,120.13, 5,685.92 and 2,257.13

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Solution

The fourth proportional to 4,120.13, 5,685.92 and 2,257.13 is: 3,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.13 : 5,685.92 = 2,257.13 : x
  2. Step 2: Convert to fraction form
    4,120.13/5,685.92 = 2,257.13/x
  3. Step 3: Cross multiply
    4,120.13x = 5,685.92 × 2,257.13
  4. Step 4: Simplify right side
    4,120.13x = 12,833,820.89
  5. Step 5: Solve for x
    x = 12,833,820.89/4,120.13
  6. Step 6: Final answer
    x = 3,114.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.