Home / 1,822.30-2,512.69-1,254.49

Finding the Fourth Proportional to 1,822.30, 2,512.69 and 1,254.49

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Solution

The fourth proportional to 1,822.30, 2,512.69 and 1,254.49 is: 1,729.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.30 : 2,512.69 = 1,254.49 : x
  2. Step 2: Convert to fraction form
    1,822.30/2,512.69 = 1,254.49/x
  3. Step 3: Cross multiply
    1,822.30x = 2,512.69 × 1,254.49
  4. Step 4: Simplify right side
    1,822.30x = 3,152,135.06
  5. Step 5: Solve for x
    x = 3,152,135.06/1,822.30
  6. Step 6: Final answer
    x = 1,729.76

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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.