Home / 1,933.71-2,898.38-1,315.88

Finding the Fourth Proportional to 1,933.71, 2,898.38 and 1,315.88

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Solution

The fourth proportional to 1,933.71, 2,898.38 and 1,315.88 is: 1,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.71 : 2,898.38 = 1,315.88 : x
  2. Step 2: Convert to fraction form
    1,933.71/2,898.38 = 1,315.88/x
  3. Step 3: Cross multiply
    1,933.71x = 2,898.38 × 1,315.88
  4. Step 4: Simplify right side
    1,933.71x = 3,813,919.94
  5. Step 5: Solve for x
    x = 3,813,919.94/1,933.71
  6. Step 6: Final answer
    x = 1,972.34

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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.