Home / 3,725.12-5,140.52-2,232.18

Finding the Fourth Proportional to 3,725.12, 5,140.52 and 2,232.18

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Solution

The fourth proportional to 3,725.12, 5,140.52 and 2,232.18 is: 3,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.12 : 5,140.52 = 2,232.18 : x
  2. Step 2: Convert to fraction form
    3,725.12/5,140.52 = 2,232.18/x
  3. Step 3: Cross multiply
    3,725.12x = 5,140.52 × 2,232.18
  4. Step 4: Simplify right side
    3,725.12x = 11,474,565.93
  5. Step 5: Solve for x
    x = 11,474,565.93/3,725.12
  6. Step 6: Final answer
    x = 3,080.32

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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.