Home / 3,429.44-5,144.16-1,376

Finding the Fourth Proportional to 3,429.44, 5,144.16 and 1,376

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Solution

The fourth proportional to 3,429.44, 5,144.16 and 1,376 is: 2,064

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.44 : 5,144.16 = 1,376 : x
  2. Step 2: Convert to fraction form
    3,429.44/5,144.16 = 1,376/x
  3. Step 3: Cross multiply
    3,429.44x = 5,144.16 × 1,376
  4. Step 4: Simplify right side
    3,429.44x = 7,078,364.16
  5. Step 5: Solve for x
    x = 7,078,364.16/3,429.44
  6. Step 6: Final answer
    x = 2,064

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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.