Home / 2,761.84-4,140.87-1,444.78

Finding the Fourth Proportional to 2,761.84, 4,140.87 and 1,444.78

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Solution

The fourth proportional to 2,761.84, 4,140.87 and 1,444.78 is: 2,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.84 : 4,140.87 = 1,444.78 : x
  2. Step 2: Convert to fraction form
    2,761.84/4,140.87 = 1,444.78/x
  3. Step 3: Cross multiply
    2,761.84x = 4,140.87 × 1,444.78
  4. Step 4: Simplify right side
    2,761.84x = 5,982,646.16
  5. Step 5: Solve for x
    x = 5,982,646.16/2,761.84
  6. Step 6: Final answer
    x = 2,166.18

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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.