Home / 3,080.16-4,251.42-1,885.55

Finding the Fourth Proportional to 3,080.16, 4,251.42 and 1,885.55

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Solution

The fourth proportional to 3,080.16, 4,251.42 and 1,885.55 is: 2,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.16 : 4,251.42 = 1,885.55 : x
  2. Step 2: Convert to fraction form
    3,080.16/4,251.42 = 1,885.55/x
  3. Step 3: Cross multiply
    3,080.16x = 4,251.42 × 1,885.55
  4. Step 4: Simplify right side
    3,080.16x = 8,016,243.72
  5. Step 5: Solve for x
    x = 8,016,243.72/3,080.16
  6. Step 6: Final answer
    x = 2,602.54

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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.