Home / 2,617.60-3,924.48-1,079.68

Finding the Fourth Proportional to 2,617.60, 3,924.48 and 1,079.68

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Solution

The fourth proportional to 2,617.60, 3,924.48 and 1,079.68 is: 1,618.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.60 : 3,924.48 = 1,079.68 : x
  2. Step 2: Convert to fraction form
    2,617.60/3,924.48 = 1,079.68/x
  3. Step 3: Cross multiply
    2,617.60x = 3,924.48 × 1,079.68
  4. Step 4: Simplify right side
    2,617.60x = 4,237,182.57
  5. Step 5: Solve for x
    x = 4,237,182.57/2,617.60
  6. Step 6: Final answer
    x = 1,618.73

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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.