Home / 3,844.75-5,767.10-1,071.42

Finding the Fourth Proportional to 3,844.75, 5,767.10 and 1,071.42

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Solution

The fourth proportional to 3,844.75, 5,767.10 and 1,071.42 is: 1,607.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.75 : 5,767.10 = 1,071.42 : x
  2. Step 2: Convert to fraction form
    3,844.75/5,767.10 = 1,071.42/x
  3. Step 3: Cross multiply
    3,844.75x = 5,767.10 × 1,071.42
  4. Step 4: Simplify right side
    3,844.75x = 6,178,980.92
  5. Step 5: Solve for x
    x = 6,178,980.92/3,844.75
  6. Step 6: Final answer
    x = 1,607.12

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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.