Home / 3,652.11-5,040.15-2,080.20

Finding the Fourth Proportional to 3,652.11, 5,040.15 and 2,080.20

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Solution

The fourth proportional to 3,652.11, 5,040.15 and 2,080.20 is: 2,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.11 : 5,040.15 = 2,080.20 : x
  2. Step 2: Convert to fraction form
    3,652.11/5,040.15 = 2,080.20/x
  3. Step 3: Cross multiply
    3,652.11x = 5,040.15 × 2,080.20
  4. Step 4: Simplify right side
    3,652.11x = 10,484,520.03
  5. Step 5: Solve for x
    x = 10,484,520.03/3,652.11
  6. Step 6: Final answer
    x = 2,870.81

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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.