Home / 2,577.13-3,865.70-1,480.80

Finding the Fourth Proportional to 2,577.13, 3,865.70 and 1,480.80

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Solution

The fourth proportional to 2,577.13, 3,865.70 and 1,480.80 is: 2,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.13 : 3,865.70 = 1,480.80 : x
  2. Step 2: Convert to fraction form
    2,577.13/3,865.70 = 1,480.80/x
  3. Step 3: Cross multiply
    2,577.13x = 3,865.70 × 1,480.80
  4. Step 4: Simplify right side
    2,577.13x = 5,724,320.85
  5. Step 5: Solve for x
    x = 5,724,320.85/2,577.13
  6. Step 6: Final answer
    x = 2,221.20

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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.