Home / 3,458.46-5,186.10-1,118.04

Finding the Fourth Proportional to 3,458.46, 5,186.10 and 1,118.04

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Solution

The fourth proportional to 3,458.46, 5,186.10 and 1,118.04 is: 1,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.46 : 5,186.10 = 1,118.04 : x
  2. Step 2: Convert to fraction form
    3,458.46/5,186.10 = 1,118.04/x
  3. Step 3: Cross multiply
    3,458.46x = 5,186.10 × 1,118.04
  4. Step 4: Simplify right side
    3,458.46x = 5,798,267.24
  5. Step 5: Solve for x
    x = 5,798,267.24/3,458.46
  6. Step 6: Final answer
    x = 1,676.55

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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.