Home / 3,162.40-4,743.69-2,801.68

Finding the Fourth Proportional to 3,162.40, 4,743.69 and 2,801.68

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Solution

The fourth proportional to 3,162.40, 4,743.69 and 2,801.68 is: 4,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.40 : 4,743.69 = 2,801.68 : x
  2. Step 2: Convert to fraction form
    3,162.40/4,743.69 = 2,801.68/x
  3. Step 3: Cross multiply
    3,162.40x = 4,743.69 × 2,801.68
  4. Step 4: Simplify right side
    3,162.40x = 13,290,301.40
  5. Step 5: Solve for x
    x = 13,290,301.40/3,162.40
  6. Step 6: Final answer
    x = 4,202.60

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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.