Home / 3,848.16-5,772-1,112.16

Finding the Fourth Proportional to 3,848.16, 5,772 and 1,112.16

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Solution

The fourth proportional to 3,848.16, 5,772 and 1,112.16 is: 1,668.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.16 : 5,772 = 1,112.16 : x
  2. Step 2: Convert to fraction form
    3,848.16/5,772 = 1,112.16/x
  3. Step 3: Cross multiply
    3,848.16x = 5,772 × 1,112.16
  4. Step 4: Simplify right side
    3,848.16x = 6,419,387.52
  5. Step 5: Solve for x
    x = 6,419,387.52/3,848.16
  6. Step 6: Final answer
    x = 1,668.17

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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.