Home / 3,802.28-5,247.80-2,810.43

Finding the Fourth Proportional to 3,802.28, 5,247.80 and 2,810.43

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Solution

The fourth proportional to 3,802.28, 5,247.80 and 2,810.43 is: 3,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.28 : 5,247.80 = 2,810.43 : x
  2. Step 2: Convert to fraction form
    3,802.28/5,247.80 = 2,810.43/x
  3. Step 3: Cross multiply
    3,802.28x = 5,247.80 × 2,810.43
  4. Step 4: Simplify right side
    3,802.28x = 14,748,560.50
  5. Step 5: Solve for x
    x = 14,748,560.50/3,802.28
  6. Step 6: Final answer
    x = 3,878.88

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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.