Home / 2,896.51-4,342.47-1,251.91

Finding the Fourth Proportional to 2,896.51, 4,342.47 and 1,251.91

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Solution

The fourth proportional to 2,896.51, 4,342.47 and 1,251.91 is: 1,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.51 : 4,342.47 = 1,251.91 : x
  2. Step 2: Convert to fraction form
    2,896.51/4,342.47 = 1,251.91/x
  3. Step 3: Cross multiply
    2,896.51x = 4,342.47 × 1,251.91
  4. Step 4: Simplify right side
    2,896.51x = 5,436,381.62
  5. Step 5: Solve for x
    x = 5,436,381.62/2,896.51
  6. Step 6: Final answer
    x = 1,876.87

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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.