Home / 3,120.08-4,304.66-2,001.62

Finding the Fourth Proportional to 3,120.08, 4,304.66 and 2,001.62

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Solution

The fourth proportional to 3,120.08, 4,304.66 and 2,001.62 is: 2,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.08 : 4,304.66 = 2,001.62 : x
  2. Step 2: Convert to fraction form
    3,120.08/4,304.66 = 2,001.62/x
  3. Step 3: Cross multiply
    3,120.08x = 4,304.66 × 2,001.62
  4. Step 4: Simplify right side
    3,120.08x = 8,616,281.35
  5. Step 5: Solve for x
    x = 8,616,281.35/3,120.08
  6. Step 6: Final answer
    x = 2,761.56

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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.