Home / 2,868.56-4,304.40-2,001.20

Finding the Fourth Proportional to 2,868.56, 4,304.40 and 2,001.20

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Solution

The fourth proportional to 2,868.56, 4,304.40 and 2,001.20 is: 3,002.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.56 : 4,304.40 = 2,001.20 : x
  2. Step 2: Convert to fraction form
    2,868.56/4,304.40 = 2,001.20/x
  3. Step 3: Cross multiply
    2,868.56x = 4,304.40 × 2,001.20
  4. Step 4: Simplify right side
    2,868.56x = 8,613,965.28
  5. Step 5: Solve for x
    x = 8,613,965.28/2,868.56
  6. Step 6: Final answer
    x = 3,002.89

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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.