Home / 2,632.28-3,948.42-900.92

Finding the Fourth Proportional to 2,632.28, 3,948.42 and 900.92

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Solution

The fourth proportional to 2,632.28, 3,948.42 and 900.92 is: 1,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.28 : 3,948.42 = 900.92 : x
  2. Step 2: Convert to fraction form
    2,632.28/3,948.42 = 900.92/x
  3. Step 3: Cross multiply
    2,632.28x = 3,948.42 × 900.92
  4. Step 4: Simplify right side
    2,632.28x = 3,557,210.55
  5. Step 5: Solve for x
    x = 3,557,210.55/2,632.28
  6. Step 6: Final answer
    x = 1,351.38

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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.