Home / 2,352.20-3,246.03-1,289.97

Finding the Fourth Proportional to 2,352.20, 3,246.03 and 1,289.97

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Solution

The fourth proportional to 2,352.20, 3,246.03 and 1,289.97 is: 1,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,352.20 : 3,246.03 = 1,289.97 : x
  2. Step 2: Convert to fraction form
    2,352.20/3,246.03 = 1,289.97/x
  3. Step 3: Cross multiply
    2,352.20x = 3,246.03 × 1,289.97
  4. Step 4: Simplify right side
    2,352.20x = 4,187,281.32
  5. Step 5: Solve for x
    x = 4,187,281.32/2,352.20
  6. Step 6: Final answer
    x = 1,780.16

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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.