Home / 3,901.18-5,851.80-1,304.12

Finding the Fourth Proportional to 3,901.18, 5,851.80 and 1,304.12

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Solution

The fourth proportional to 3,901.18, 5,851.80 and 1,304.12 is: 1,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.18 : 5,851.80 = 1,304.12 : x
  2. Step 2: Convert to fraction form
    3,901.18/5,851.80 = 1,304.12/x
  3. Step 3: Cross multiply
    3,901.18x = 5,851.80 × 1,304.12
  4. Step 4: Simplify right side
    3,901.18x = 7,631,449.42
  5. Step 5: Solve for x
    x = 7,631,449.42/3,901.18
  6. Step 6: Final answer
    x = 1,956.19

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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.