Home / 2,750.24-4,125.76-802.20

Finding the Fourth Proportional to 2,750.24, 4,125.76 and 802.20

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Solution

The fourth proportional to 2,750.24, 4,125.76 and 802.20 is: 1,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.24 : 4,125.76 = 802.20 : x
  2. Step 2: Convert to fraction form
    2,750.24/4,125.76 = 802.20/x
  3. Step 3: Cross multiply
    2,750.24x = 4,125.76 × 802.20
  4. Step 4: Simplify right side
    2,750.24x = 3,309,684.67
  5. Step 5: Solve for x
    x = 3,309,684.67/2,750.24
  6. Step 6: Final answer
    x = 1,203.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.