Home / 4,072.62-5,621.16-2,304.78

Finding the Fourth Proportional to 4,072.62, 5,621.16 and 2,304.78

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Solution

The fourth proportional to 4,072.62, 5,621.16 and 2,304.78 is: 3,181.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.62 : 5,621.16 = 2,304.78 : x
  2. Step 2: Convert to fraction form
    4,072.62/5,621.16 = 2,304.78/x
  3. Step 3: Cross multiply
    4,072.62x = 5,621.16 × 2,304.78
  4. Step 4: Simplify right side
    4,072.62x = 12,955,537.14
  5. Step 5: Solve for x
    x = 12,955,537.14/4,072.62
  6. Step 6: Final answer
    x = 3,181.13

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1.5x scale

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.