Home / 2,295.20-3,441.62-1,125.30

Finding the Fourth Proportional to 2,295.20, 3,441.62 and 1,125.30

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Solution

The fourth proportional to 2,295.20, 3,441.62 and 1,125.30 is: 1,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.20 : 3,441.62 = 1,125.30 : x
  2. Step 2: Convert to fraction form
    2,295.20/3,441.62 = 1,125.30/x
  3. Step 3: Cross multiply
    2,295.20x = 3,441.62 × 1,125.30
  4. Step 4: Simplify right side
    2,295.20x = 3,872,854.99
  5. Step 5: Solve for x
    x = 3,872,854.99/2,295.20
  6. Step 6: Final answer
    x = 1,687.37

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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.