Home / 4,120.77-5,686.62-2,232.30

Finding the Fourth Proportional to 4,120.77, 5,686.62 and 2,232.30

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Solution

The fourth proportional to 4,120.77, 5,686.62 and 2,232.30 is: 3,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.77 : 5,686.62 = 2,232.30 : x
  2. Step 2: Convert to fraction form
    4,120.77/5,686.62 = 2,232.30/x
  3. Step 3: Cross multiply
    4,120.77x = 5,686.62 × 2,232.30
  4. Step 4: Simplify right side
    4,120.77x = 12,694,241.83
  5. Step 5: Solve for x
    x = 12,694,241.83/4,120.77
  6. Step 6: Final answer
    x = 3,080.55

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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.