Home / 3,618.85-5,423.04-1,767.88

Finding the Fourth Proportional to 3,618.85, 5,423.04 and 1,767.88

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Solution

The fourth proportional to 3,618.85, 5,423.04 and 1,767.88 is: 2,649.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.85 : 5,423.04 = 1,767.88 : x
  2. Step 2: Convert to fraction form
    3,618.85/5,423.04 = 1,767.88/x
  3. Step 3: Cross multiply
    3,618.85x = 5,423.04 × 1,767.88
  4. Step 4: Simplify right side
    3,618.85x = 9,587,283.96
  5. Step 5: Solve for x
    x = 9,587,283.96/3,618.85
  6. Step 6: Final answer
    x = 2,649.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.