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Finding the Fourth Proportional to 2,908.16, 4,364.16 and 1,372.16

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Solution

The fourth proportional to 2,908.16, 4,364.16 and 1,372.16 is: 2,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.16 : 4,364.16 = 1,372.16 : x
  2. Step 2: Convert to fraction form
    2,908.16/4,364.16 = 1,372.16/x
  3. Step 3: Cross multiply
    2,908.16x = 4,364.16 × 1,372.16
  4. Step 4: Simplify right side
    2,908.16x = 5,988,325.79
  5. Step 5: Solve for x
    x = 5,988,325.79/2,908.16
  6. Step 6: Final answer
    x = 2,059.15

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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.