Home / 1,301.01-1,959.23-1,172.49

Finding the Fourth Proportional to 1,301.01, 1,959.23 and 1,172.49

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Solution

The fourth proportional to 1,301.01, 1,959.23 and 1,172.49 is: 1,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.01 : 1,959.23 = 1,172.49 : x
  2. Step 2: Convert to fraction form
    1,301.01/1,959.23 = 1,172.49/x
  3. Step 3: Cross multiply
    1,301.01x = 1,959.23 × 1,172.49
  4. Step 4: Simplify right side
    1,301.01x = 2,297,171.72
  5. Step 5: Solve for x
    x = 2,297,171.72/1,301.01
  6. Step 6: Final answer
    x = 1,765.68

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.