Home / 3,652.73-5,479.61-1,186.76

Finding the Fourth Proportional to 3,652.73, 5,479.61 and 1,186.76

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Solution

The fourth proportional to 3,652.73, 5,479.61 and 1,186.76 is: 1,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.73 : 5,479.61 = 1,186.76 : x
  2. Step 2: Convert to fraction form
    3,652.73/5,479.61 = 1,186.76/x
  3. Step 3: Cross multiply
    3,652.73x = 5,479.61 × 1,186.76
  4. Step 4: Simplify right side
    3,652.73x = 6,502,948.63
  5. Step 5: Solve for x
    x = 6,502,948.63/3,652.73
  6. Step 6: Final answer
    x = 1,780.30

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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.