Home / 3,842.70-5,306.04-2,428.62

Finding the Fourth Proportional to 3,842.70, 5,306.04 and 2,428.62

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Solution

The fourth proportional to 3,842.70, 5,306.04 and 2,428.62 is: 3,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.70 : 5,306.04 = 2,428.62 : x
  2. Step 2: Convert to fraction form
    3,842.70/5,306.04 = 2,428.62/x
  3. Step 3: Cross multiply
    3,842.70x = 5,306.04 × 2,428.62
  4. Step 4: Simplify right side
    3,842.70x = 12,886,354.86
  5. Step 5: Solve for x
    x = 12,886,354.86/3,842.70
  6. Step 6: Final answer
    x = 3,353.46

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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.