Home / 1,822.26-2,721.02-1,447.85

Finding the Fourth Proportional to 1,822.26, 2,721.02 and 1,447.85

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Solution

The fourth proportional to 1,822.26, 2,721.02 and 1,447.85 is: 2,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.26 : 2,721.02 = 1,447.85 : x
  2. Step 2: Convert to fraction form
    1,822.26/2,721.02 = 1,447.85/x
  3. Step 3: Cross multiply
    1,822.26x = 2,721.02 × 1,447.85
  4. Step 4: Simplify right side
    1,822.26x = 3,939,628.81
  5. Step 5: Solve for x
    x = 3,939,628.81/1,822.26
  6. Step 6: Final answer
    x = 2,161.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.