Home / 3,010.80-4,159.04-2,731.35

Finding the Fourth Proportional to 3,010.80, 4,159.04 and 2,731.35

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Solution

The fourth proportional to 3,010.80, 4,159.04 and 2,731.35 is: 3,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.80 : 4,159.04 = 2,731.35 : x
  2. Step 2: Convert to fraction form
    3,010.80/4,159.04 = 2,731.35/x
  3. Step 3: Cross multiply
    3,010.80x = 4,159.04 × 2,731.35
  4. Step 4: Simplify right side
    3,010.80x = 11,359,780.25
  5. Step 5: Solve for x
    x = 11,359,780.25/3,010.80
  6. Step 6: Final answer
    x = 3,773.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.