Home / 2,932.65-4,044.35-1,989.81

Finding the Fourth Proportional to 2,932.65, 4,044.35 and 1,989.81

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Solution

The fourth proportional to 2,932.65, 4,044.35 and 1,989.81 is: 2,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.65 : 4,044.35 = 1,989.81 : x
  2. Step 2: Convert to fraction form
    2,932.65/4,044.35 = 1,989.81/x
  3. Step 3: Cross multiply
    2,932.65x = 4,044.35 × 1,989.81
  4. Step 4: Simplify right side
    2,932.65x = 8,047,493.05
  5. Step 5: Solve for x
    x = 8,047,493.05/2,932.65
  6. Step 6: Final answer
    x = 2,744.10

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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.