Home / 2,932.36-4,398.89-1,288.71

Finding the Fourth Proportional to 2,932.36, 4,398.89 and 1,288.71

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Solution

The fourth proportional to 2,932.36, 4,398.89 and 1,288.71 is: 1,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.36 : 4,398.89 = 1,288.71 : x
  2. Step 2: Convert to fraction form
    2,932.36/4,398.89 = 1,288.71/x
  3. Step 3: Cross multiply
    2,932.36x = 4,398.89 × 1,288.71
  4. Step 4: Simplify right side
    2,932.36x = 5,668,893.53
  5. Step 5: Solve for x
    x = 5,668,893.53/2,932.36
  6. Step 6: Final answer
    x = 1,933.22

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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.