Home / 1,882.65-2,821.95-1,152.72

Finding the Fourth Proportional to 1,882.65, 2,821.95 and 1,152.72

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Solution

The fourth proportional to 1,882.65, 2,821.95 and 1,152.72 is: 1,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.65 : 2,821.95 = 1,152.72 : x
  2. Step 2: Convert to fraction form
    1,882.65/2,821.95 = 1,152.72/x
  3. Step 3: Cross multiply
    1,882.65x = 2,821.95 × 1,152.72
  4. Step 4: Simplify right side
    1,882.65x = 3,252,918.20
  5. Step 5: Solve for x
    x = 3,252,918.20/1,882.65
  6. Step 6: Final answer
    x = 1,727.84

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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.