Home / 2,696.08-4,044.48-1,215.28

Finding the Fourth Proportional to 2,696.08, 4,044.48 and 1,215.28

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Solution

The fourth proportional to 2,696.08, 4,044.48 and 1,215.28 is: 1,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.08 : 4,044.48 = 1,215.28 : x
  2. Step 2: Convert to fraction form
    2,696.08/4,044.48 = 1,215.28/x
  3. Step 3: Cross multiply
    2,696.08x = 4,044.48 × 1,215.28
  4. Step 4: Simplify right side
    2,696.08x = 4,915,175.65
  5. Step 5: Solve for x
    x = 4,915,175.65/2,696.08
  6. Step 6: Final answer
    x = 1,823.08

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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.