Home / 3,937.51-5,433.67-2,169.12

Finding the Fourth Proportional to 3,937.51, 5,433.67 and 2,169.12

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Solution

The fourth proportional to 3,937.51, 5,433.67 and 2,169.12 is: 2,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.51 : 5,433.67 = 2,169.12 : x
  2. Step 2: Convert to fraction form
    3,937.51/5,433.67 = 2,169.12/x
  3. Step 3: Cross multiply
    3,937.51x = 5,433.67 × 2,169.12
  4. Step 4: Simplify right side
    3,937.51x = 11,786,264.10
  5. Step 5: Solve for x
    x = 11,786,264.10/3,937.51
  6. Step 6: Final answer
    x = 2,993.33

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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.