Home / 3,993.03-5,510.07-2,291.31

Finding the Fourth Proportional to 3,993.03, 5,510.07 and 2,291.31

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Solution

The fourth proportional to 3,993.03, 5,510.07 and 2,291.31 is: 3,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.03 : 5,510.07 = 2,291.31 : x
  2. Step 2: Convert to fraction form
    3,993.03/5,510.07 = 2,291.31/x
  3. Step 3: Cross multiply
    3,993.03x = 5,510.07 × 2,291.31
  4. Step 4: Simplify right side
    3,993.03x = 12,625,278.49
  5. Step 5: Solve for x
    x = 12,625,278.49/3,993.03
  6. Step 6: Final answer
    x = 3,161.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.