Home / 3,440.80-5,161.49-1,101.13

Finding the Fourth Proportional to 3,440.80, 5,161.49 and 1,101.13

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Solution

The fourth proportional to 3,440.80, 5,161.49 and 1,101.13 is: 1,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.80 : 5,161.49 = 1,101.13 : x
  2. Step 2: Convert to fraction form
    3,440.80/5,161.49 = 1,101.13/x
  3. Step 3: Cross multiply
    3,440.80x = 5,161.49 × 1,101.13
  4. Step 4: Simplify right side
    3,440.80x = 5,683,471.48
  5. Step 5: Solve for x
    x = 5,683,471.48/3,440.80
  6. Step 6: Final answer
    x = 1,651.79

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1.5x scale

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.