Home / 2,841.12-3,917.52-2,315.52

Finding the Fourth Proportional to 2,841.12, 3,917.52 and 2,315.52

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Solution

The fourth proportional to 2,841.12, 3,917.52 and 2,315.52 is: 3,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.12 : 3,917.52 = 2,315.52 : x
  2. Step 2: Convert to fraction form
    2,841.12/3,917.52 = 2,315.52/x
  3. Step 3: Cross multiply
    2,841.12x = 3,917.52 × 2,315.52
  4. Step 4: Simplify right side
    2,841.12x = 9,071,095.91
  5. Step 5: Solve for x
    x = 9,071,095.91/2,841.12
  6. Step 6: Final answer
    x = 3,192.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.