Home / 2,668.04-3,680.40-1,872.56

Finding the Fourth Proportional to 2,668.04, 3,680.40 and 1,872.56

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Solution

The fourth proportional to 2,668.04, 3,680.40 and 1,872.56 is: 2,583.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.04 : 3,680.40 = 1,872.56 : x
  2. Step 2: Convert to fraction form
    2,668.04/3,680.40 = 1,872.56/x
  3. Step 3: Cross multiply
    2,668.04x = 3,680.40 × 1,872.56
  4. Step 4: Simplify right side
    2,668.04x = 6,891,751.42
  5. Step 5: Solve for x
    x = 6,891,751.42/2,668.04
  6. Step 6: Final answer
    x = 2,583.08

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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.