Home / 4,120.94-5,686.91-2,232.55

Finding the Fourth Proportional to 4,120.94, 5,686.91 and 2,232.55

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Solution

The fourth proportional to 4,120.94, 5,686.91 and 2,232.55 is: 3,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.94 : 5,686.91 = 2,232.55 : x
  2. Step 2: Convert to fraction form
    4,120.94/5,686.91 = 2,232.55/x
  3. Step 3: Cross multiply
    4,120.94x = 5,686.91 × 2,232.55
  4. Step 4: Simplify right side
    4,120.94x = 12,696,310.92
  5. Step 5: Solve for x
    x = 12,696,310.92/4,120.94
  6. Step 6: Final answer
    x = 3,080.93

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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.