Home / 2,118.16-3,177.24-1,727.68

Finding the Fourth Proportional to 2,118.16, 3,177.24 and 1,727.68

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Solution

The fourth proportional to 2,118.16, 3,177.24 and 1,727.68 is: 2,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.16 : 3,177.24 = 1,727.68 : x
  2. Step 2: Convert to fraction form
    2,118.16/3,177.24 = 1,727.68/x
  3. Step 3: Cross multiply
    2,118.16x = 3,177.24 × 1,727.68
  4. Step 4: Simplify right side
    2,118.16x = 5,489,254.00
  5. Step 5: Solve for x
    x = 5,489,254.00/2,118.16
  6. Step 6: Final answer
    x = 2,591.52

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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.