Home / 2,388.11-3,581.25-926.92

Finding the Fourth Proportional to 2,388.11, 3,581.25 and 926.92

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Solution

The fourth proportional to 2,388.11, 3,581.25 and 926.92 is: 1,390.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.11 : 3,581.25 = 926.92 : x
  2. Step 2: Convert to fraction form
    2,388.11/3,581.25 = 926.92/x
  3. Step 3: Cross multiply
    2,388.11x = 3,581.25 × 926.92
  4. Step 4: Simplify right side
    2,388.11x = 3,319,510.87
  5. Step 5: Solve for x
    x = 3,319,510.87/2,388.11
  6. Step 6: Final answer
    x = 1,390.02

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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.