Home / 3,474.71-5,209.62-1,283.15

Finding the Fourth Proportional to 3,474.71, 5,209.62 and 1,283.15

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Solution

The fourth proportional to 3,474.71, 5,209.62 and 1,283.15 is: 1,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.71 : 5,209.62 = 1,283.15 : x
  2. Step 2: Convert to fraction form
    3,474.71/5,209.62 = 1,283.15/x
  3. Step 3: Cross multiply
    3,474.71x = 5,209.62 × 1,283.15
  4. Step 4: Simplify right side
    3,474.71x = 6,684,723.90
  5. Step 5: Solve for x
    x = 6,684,723.90/3,474.71
  6. Step 6: Final answer
    x = 1,923.82

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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.