Home / 3,900.29-5,851.46-1,127.18

Finding the Fourth Proportional to 3,900.29, 5,851.46 and 1,127.18

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Solution

The fourth proportional to 3,900.29, 5,851.46 and 1,127.18 is: 1,691.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.29 : 5,851.46 = 1,127.18 : x
  2. Step 2: Convert to fraction form
    3,900.29/5,851.46 = 1,127.18/x
  3. Step 3: Cross multiply
    3,900.29x = 5,851.46 × 1,127.18
  4. Step 4: Simplify right side
    3,900.29x = 6,595,643.05
  5. Step 5: Solve for x
    x = 6,595,643.05/3,900.29
  6. Step 6: Final answer
    x = 1,691.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.