Home / 3,152.19-4,728.15-1,072.11

Finding the Fourth Proportional to 3,152.19, 4,728.15 and 1,072.11

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Solution

The fourth proportional to 3,152.19, 4,728.15 and 1,072.11 is: 1,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.19 : 4,728.15 = 1,072.11 : x
  2. Step 2: Convert to fraction form
    3,152.19/4,728.15 = 1,072.11/x
  3. Step 3: Cross multiply
    3,152.19x = 4,728.15 × 1,072.11
  4. Step 4: Simplify right side
    3,152.19x = 5,069,096.90
  5. Step 5: Solve for x
    x = 5,069,096.90/3,152.19
  6. Step 6: Final answer
    x = 1,608.12

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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.