Home / 3,623.28-5,000.13-1,967.28

Finding the Fourth Proportional to 3,623.28, 5,000.13 and 1,967.28

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Solution

The fourth proportional to 3,623.28, 5,000.13 and 1,967.28 is: 2,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.28 : 5,000.13 = 1,967.28 : x
  2. Step 2: Convert to fraction form
    3,623.28/5,000.13 = 1,967.28/x
  3. Step 3: Cross multiply
    3,623.28x = 5,000.13 × 1,967.28
  4. Step 4: Simplify right side
    3,623.28x = 9,836,655.75
  5. Step 5: Solve for x
    x = 9,836,655.75/3,623.28
  6. Step 6: Final answer
    x = 2,714.85

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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.