Home / 2,872.30-3,964.14-1,693.48

Finding the Fourth Proportional to 2,872.30, 3,964.14 and 1,693.48

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Solution

The fourth proportional to 2,872.30, 3,964.14 and 1,693.48 is: 2,337.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872.30 : 3,964.14 = 1,693.48 : x
  2. Step 2: Convert to fraction form
    2,872.30/3,964.14 = 1,693.48/x
  3. Step 3: Cross multiply
    2,872.30x = 3,964.14 × 1,693.48
  4. Step 4: Simplify right side
    2,872.30x = 6,713,191.81
  5. Step 5: Solve for x
    x = 6,713,191.81/2,872.30
  6. Step 6: Final answer
    x = 2,337.22

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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.