Home / 2,632.53-3,947.99-900.75

Finding the Fourth Proportional to 2,632.53, 3,947.99 and 900.75

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Solution

The fourth proportional to 2,632.53, 3,947.99 and 900.75 is: 1,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632.53 : 3,947.99 = 900.75 : x
  2. Step 2: Convert to fraction form
    2,632.53/3,947.99 = 900.75/x
  3. Step 3: Cross multiply
    2,632.53x = 3,947.99 × 900.75
  4. Step 4: Simplify right side
    2,632.53x = 3,556,147.49
  5. Step 5: Solve for x
    x = 3,556,147.49/2,632.53
  6. Step 6: Final answer
    x = 1,350.85

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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.