Home / 3,790.40-5,685.24-1,016.97

Finding the Fourth Proportional to 3,790.40, 5,685.24 and 1,016.97

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Solution

The fourth proportional to 3,790.40, 5,685.24 and 1,016.97 is: 1,525.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.40 : 5,685.24 = 1,016.97 : x
  2. Step 2: Convert to fraction form
    3,790.40/5,685.24 = 1,016.97/x
  3. Step 3: Cross multiply
    3,790.40x = 5,685.24 × 1,016.97
  4. Step 4: Simplify right side
    3,790.40x = 5,781,718.52
  5. Step 5: Solve for x
    x = 5,781,718.52/3,790.40
  6. Step 6: Final answer
    x = 1,525.36

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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.