Home / 3,152.91-4,729.58-1,072.06

Finding the Fourth Proportional to 3,152.91, 4,729.58 and 1,072.06

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Solution

The fourth proportional to 3,152.91, 4,729.58 and 1,072.06 is: 1,608.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.91 : 4,729.58 = 1,072.06 : x
  2. Step 2: Convert to fraction form
    3,152.91/4,729.58 = 1,072.06/x
  3. Step 3: Cross multiply
    3,152.91x = 4,729.58 × 1,072.06
  4. Step 4: Simplify right side
    3,152.91x = 5,070,393.53
  5. Step 5: Solve for x
    x = 5,070,393.53/3,152.91
  6. Step 6: Final answer
    x = 1,608.16

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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.