Home / 1,452.20-2,174.61-802.22

Finding the Fourth Proportional to 1,452.20, 2,174.61 and 802.22

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Solution

The fourth proportional to 1,452.20, 2,174.61 and 802.22 is: 1,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.20 : 2,174.61 = 802.22 : x
  2. Step 2: Convert to fraction form
    1,452.20/2,174.61 = 802.22/x
  3. Step 3: Cross multiply
    1,452.20x = 2,174.61 × 802.22
  4. Step 4: Simplify right side
    1,452.20x = 1,744,515.63
  5. Step 5: Solve for x
    x = 1,744,515.63/1,452.20
  6. Step 6: Final answer
    x = 1,201.29

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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.