Home / 3,937.47-5,433.48-2,169.03

Finding the Fourth Proportional to 3,937.47, 5,433.48 and 2,169.03

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Solution

The fourth proportional to 3,937.47, 5,433.48 and 2,169.03 is: 2,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.47 : 5,433.48 = 2,169.03 : x
  2. Step 2: Convert to fraction form
    3,937.47/5,433.48 = 2,169.03/x
  3. Step 3: Cross multiply
    3,937.47x = 5,433.48 × 2,169.03
  4. Step 4: Simplify right side
    3,937.47x = 11,785,370.28
  5. Step 5: Solve for x
    x = 11,785,370.28/3,937.47
  6. Step 6: Final answer
    x = 2,993.13

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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.