Home / 4,121.13-5,687.18-2,232.72

Finding the Fourth Proportional to 4,121.13, 5,687.18 and 2,232.72

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Solution

The fourth proportional to 4,121.13, 5,687.18 and 2,232.72 is: 3,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.13 : 5,687.18 = 2,232.72 : x
  2. Step 2: Convert to fraction form
    4,121.13/5,687.18 = 2,232.72/x
  3. Step 3: Cross multiply
    4,121.13x = 5,687.18 × 2,232.72
  4. Step 4: Simplify right side
    4,121.13x = 12,697,880.53
  5. Step 5: Solve for x
    x = 12,697,880.53/4,121.13
  6. Step 6: Final answer
    x = 3,081.16

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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.