Home / 2,896.36-4,343.58-1,251.28

Finding the Fourth Proportional to 2,896.36, 4,343.58 and 1,251.28

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Solution

The fourth proportional to 2,896.36, 4,343.58 and 1,251.28 is: 1,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,896.36 : 4,343.58 = 1,251.28 : x
  2. Step 2: Convert to fraction form
    2,896.36/4,343.58 = 1,251.28/x
  3. Step 3: Cross multiply
    2,896.36x = 4,343.58 × 1,251.28
  4. Step 4: Simplify right side
    2,896.36x = 5,435,034.78
  5. Step 5: Solve for x
    x = 5,435,034.78/2,896.36
  6. Step 6: Final answer
    x = 1,876.51

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1.5x scale

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.