Home / 2,227.88-3,345.18-1,922.12

Finding the Fourth Proportional to 2,227.88, 3,345.18 and 1,922.12

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Solution

The fourth proportional to 2,227.88, 3,345.18 and 1,922.12 is: 2,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.88 : 3,345.18 = 1,922.12 : x
  2. Step 2: Convert to fraction form
    2,227.88/3,345.18 = 1,922.12/x
  3. Step 3: Cross multiply
    2,227.88x = 3,345.18 × 1,922.12
  4. Step 4: Simplify right side
    2,227.88x = 6,429,837.38
  5. Step 5: Solve for x
    x = 6,429,837.38/2,227.88
  6. Step 6: Final answer
    x = 2,886.08

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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.