Home / 2,184.93-3,275.87-1,128.18

Finding the Fourth Proportional to 2,184.93, 3,275.87 and 1,128.18

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Solution

The fourth proportional to 2,184.93, 3,275.87 and 1,128.18 is: 1,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.93 : 3,275.87 = 1,128.18 : x
  2. Step 2: Convert to fraction form
    2,184.93/3,275.87 = 1,128.18/x
  3. Step 3: Cross multiply
    2,184.93x = 3,275.87 × 1,128.18
  4. Step 4: Simplify right side
    2,184.93x = 3,695,765.38
  5. Step 5: Solve for x
    x = 3,695,765.38/2,184.93
  6. Step 6: Final answer
    x = 1,691.48

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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.