Home / 2,539.68-3,809.52-1,079.04

Finding the Fourth Proportional to 2,539.68, 3,809.52 and 1,079.04

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Solution

The fourth proportional to 2,539.68, 3,809.52 and 1,079.04 is: 1,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.68 : 3,809.52 = 1,079.04 : x
  2. Step 2: Convert to fraction form
    2,539.68/3,809.52 = 1,079.04/x
  3. Step 3: Cross multiply
    2,539.68x = 3,809.52 × 1,079.04
  4. Step 4: Simplify right side
    2,539.68x = 4,110,624.46
  5. Step 5: Solve for x
    x = 4,110,624.46/2,539.68
  6. Step 6: Final answer
    x = 1,618.56

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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.