Home / 3,985.28-5,973.18-1,517.73

Finding the Fourth Proportional to 3,985.28, 5,973.18 and 1,517.73

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Solution

The fourth proportional to 3,985.28, 5,973.18 and 1,517.73 is: 2,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.28 : 5,973.18 = 1,517.73 : x
  2. Step 2: Convert to fraction form
    3,985.28/5,973.18 = 1,517.73/x
  3. Step 3: Cross multiply
    3,985.28x = 5,973.18 × 1,517.73
  4. Step 4: Simplify right side
    3,985.28x = 9,065,674.48
  5. Step 5: Solve for x
    x = 9,065,674.48/3,985.28
  6. Step 6: Final answer
    x = 2,274.79

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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.