Home / 1,966.24-2,711.49-1,329.58

Finding the Fourth Proportional to 1,966.24, 2,711.49 and 1,329.58

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Solution

The fourth proportional to 1,966.24, 2,711.49 and 1,329.58 is: 1,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.24 : 2,711.49 = 1,329.58 : x
  2. Step 2: Convert to fraction form
    1,966.24/2,711.49 = 1,329.58/x
  3. Step 3: Cross multiply
    1,966.24x = 2,711.49 × 1,329.58
  4. Step 4: Simplify right side
    1,966.24x = 3,605,142.87
  5. Step 5: Solve for x
    x = 3,605,142.87/1,966.24
  6. Step 6: Final answer
    x = 1,833.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.