Home / 4,055.20-6,080.10-1,862.80

Finding the Fourth Proportional to 4,055.20, 6,080.10 and 1,862.80

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Solution

The fourth proportional to 4,055.20, 6,080.10 and 1,862.80 is: 2,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,055.20 : 6,080.10 = 1,862.80 : x
  2. Step 2: Convert to fraction form
    4,055.20/6,080.10 = 1,862.80/x
  3. Step 3: Cross multiply
    4,055.20x = 6,080.10 × 1,862.80
  4. Step 4: Simplify right side
    4,055.20x = 11,326,010.28
  5. Step 5: Solve for x
    x = 11,326,010.28/4,055.20
  6. Step 6: Final answer
    x = 2,792.96

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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.