Home / 2,282.13-3,146.11-1,618.74

Finding the Fourth Proportional to 2,282.13, 3,146.11 and 1,618.74

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Solution

The fourth proportional to 2,282.13, 3,146.11 and 1,618.74 is: 2,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.13 : 3,146.11 = 1,618.74 : x
  2. Step 2: Convert to fraction form
    2,282.13/3,146.11 = 1,618.74/x
  3. Step 3: Cross multiply
    2,282.13x = 3,146.11 × 1,618.74
  4. Step 4: Simplify right side
    2,282.13x = 5,092,730.05
  5. Step 5: Solve for x
    x = 5,092,730.05/2,282.13
  6. Step 6: Final answer
    x = 2,231.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.