Home / 1,301.72-1,949.11-1,017.46

Finding the Fourth Proportional to 1,301.72, 1,949.11 and 1,017.46

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Solution

The fourth proportional to 1,301.72, 1,949.11 and 1,017.46 is: 1,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.72 : 1,949.11 = 1,017.46 : x
  2. Step 2: Convert to fraction form
    1,301.72/1,949.11 = 1,017.46/x
  3. Step 3: Cross multiply
    1,301.72x = 1,949.11 × 1,017.46
  4. Step 4: Simplify right side
    1,301.72x = 1,983,147.08
  5. Step 5: Solve for x
    x = 1,983,147.08/1,301.72
  6. Step 6: Final answer
    x = 1,523.48

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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.