Home / 3,242.70-4,470.12-2,061.72

Finding the Fourth Proportional to 3,242.70, 4,470.12 and 2,061.72

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Solution

The fourth proportional to 3,242.70, 4,470.12 and 2,061.72 is: 2,842.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.70 : 4,470.12 = 2,061.72 : x
  2. Step 2: Convert to fraction form
    3,242.70/4,470.12 = 2,061.72/x
  3. Step 3: Cross multiply
    3,242.70x = 4,470.12 × 2,061.72
  4. Step 4: Simplify right side
    3,242.70x = 9,216,135.81
  5. Step 5: Solve for x
    x = 9,216,135.81/3,242.70
  6. Step 6: Final answer
    x = 2,842.12

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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.