Home / 2,227.18-3,074.13-1,295.68

Finding the Fourth Proportional to 2,227.18, 3,074.13 and 1,295.68

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Solution

The fourth proportional to 2,227.18, 3,074.13 and 1,295.68 is: 1,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.18 : 3,074.13 = 1,295.68 : x
  2. Step 2: Convert to fraction form
    2,227.18/3,074.13 = 1,295.68/x
  3. Step 3: Cross multiply
    2,227.18x = 3,074.13 × 1,295.68
  4. Step 4: Simplify right side
    2,227.18x = 3,983,088.76
  5. Step 5: Solve for x
    x = 3,983,088.76/2,227.18
  6. Step 6: Final answer
    x = 1,788.40

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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.