Home / 1,401.19-2,098.04-741.71

Finding the Fourth Proportional to 1,401.19, 2,098.04 and 741.71

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Solution

The fourth proportional to 1,401.19, 2,098.04 and 741.71 is: 1,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401.19 : 2,098.04 = 741.71 : x
  2. Step 2: Convert to fraction form
    1,401.19/2,098.04 = 741.71/x
  3. Step 3: Cross multiply
    1,401.19x = 2,098.04 × 741.71
  4. Step 4: Simplify right side
    1,401.19x = 1,556,138.78
  5. Step 5: Solve for x
    x = 1,556,138.78/1,401.19
  6. Step 6: Final answer
    x = 1,110.59

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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.