Home / 2,841.44-4,262.27-1,281.15

Finding the Fourth Proportional to 2,841.44, 4,262.27 and 1,281.15

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Solution

The fourth proportional to 2,841.44, 4,262.27 and 1,281.15 is: 1,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.44 : 4,262.27 = 1,281.15 : x
  2. Step 2: Convert to fraction form
    2,841.44/4,262.27 = 1,281.15/x
  3. Step 3: Cross multiply
    2,841.44x = 4,262.27 × 1,281.15
  4. Step 4: Simplify right side
    2,841.44x = 5,460,600.80
  5. Step 5: Solve for x
    x = 5,460,600.80/2,841.44
  6. Step 6: Final answer
    x = 1,921.78

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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.