Home / 3,802.50-5,248.06-2,230.61

Finding the Fourth Proportional to 3,802.50, 5,248.06 and 2,230.61

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Solution

The fourth proportional to 3,802.50, 5,248.06 and 2,230.61 is: 3,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.50 : 5,248.06 = 2,230.61 : x
  2. Step 2: Convert to fraction form
    3,802.50/5,248.06 = 2,230.61/x
  3. Step 3: Cross multiply
    3,802.50x = 5,248.06 × 2,230.61
  4. Step 4: Simplify right side
    3,802.50x = 11,706,343.30
  5. Step 5: Solve for x
    x = 11,706,343.30/3,802.50
  6. Step 6: Final answer
    x = 3,078.59

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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.