Home / 2,227.84-3,074.40-1,296.48

Finding the Fourth Proportional to 2,227.84, 3,074.40 and 1,296.48

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Solution

The fourth proportional to 2,227.84, 3,074.40 and 1,296.48 is: 1,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.84 : 3,074.40 = 1,296.48 : x
  2. Step 2: Convert to fraction form
    2,227.84/3,074.40 = 1,296.48/x
  3. Step 3: Cross multiply
    2,227.84x = 3,074.40 × 1,296.48
  4. Step 4: Simplify right side
    2,227.84x = 3,985,898.11
  5. Step 5: Solve for x
    x = 3,985,898.11/2,227.84
  6. Step 6: Final answer
    x = 1,789.13

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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.