Home / 3,623.95-5,001.38-2,131.12

Finding the Fourth Proportional to 3,623.95, 5,001.38 and 2,131.12

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Solution

The fourth proportional to 3,623.95, 5,001.38 and 2,131.12 is: 2,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.95 : 5,001.38 = 2,131.12 : x
  2. Step 2: Convert to fraction form
    3,623.95/5,001.38 = 2,131.12/x
  3. Step 3: Cross multiply
    3,623.95x = 5,001.38 × 2,131.12
  4. Step 4: Simplify right side
    3,623.95x = 10,658,540.95
  5. Step 5: Solve for x
    x = 10,658,540.95/3,623.95
  6. Step 6: Final answer
    x = 2,941.14

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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.