Home / 2,677.80-4,010.20-1,520.04

Finding the Fourth Proportional to 2,677.80, 4,010.20 and 1,520.04

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Solution

The fourth proportional to 2,677.80, 4,010.20 and 1,520.04 is: 2,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.80 : 4,010.20 = 1,520.04 : x
  2. Step 2: Convert to fraction form
    2,677.80/4,010.20 = 1,520.04/x
  3. Step 3: Cross multiply
    2,677.80x = 4,010.20 × 1,520.04
  4. Step 4: Simplify right side
    2,677.80x = 6,095,664.41
  5. Step 5: Solve for x
    x = 6,095,664.41/2,677.80
  6. Step 6: Final answer
    x = 2,276.37

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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.