Home / 3,691.19-5,095.08-2,199.58

Finding the Fourth Proportional to 3,691.19, 5,095.08 and 2,199.58

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Solution

The fourth proportional to 3,691.19, 5,095.08 and 2,199.58 is: 3,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.19 : 5,095.08 = 2,199.58 : x
  2. Step 2: Convert to fraction form
    3,691.19/5,095.08 = 2,199.58/x
  3. Step 3: Cross multiply
    3,691.19x = 5,095.08 × 2,199.58
  4. Step 4: Simplify right side
    3,691.19x = 11,207,023.33
  5. Step 5: Solve for x
    x = 11,207,023.33/3,691.19
  6. Step 6: Final answer
    x = 3,036.15

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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.