Home / 1,882.44-2,821.98-1,263.72

Finding the Fourth Proportional to 1,882.44, 2,821.98 and 1,263.72

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Solution

The fourth proportional to 1,882.44, 2,821.98 and 1,263.72 is: 1,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882.44 : 2,821.98 = 1,263.72 : x
  2. Step 2: Convert to fraction form
    1,882.44/2,821.98 = 1,263.72/x
  3. Step 3: Cross multiply
    1,882.44x = 2,821.98 × 1,263.72
  4. Step 4: Simplify right side
    1,882.44x = 3,566,192.57
  5. Step 5: Solve for x
    x = 3,566,192.57/1,882.44
  6. Step 6: Final answer
    x = 1,894.45

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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.