Home / 1,822.46-2,515.18-1,076.66

Finding the Fourth Proportional to 1,822.46, 2,515.18 and 1,076.66

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Solution

The fourth proportional to 1,822.46, 2,515.18 and 1,076.66 is: 1,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.46 : 2,515.18 = 1,076.66 : x
  2. Step 2: Convert to fraction form
    1,822.46/2,515.18 = 1,076.66/x
  3. Step 3: Cross multiply
    1,822.46x = 2,515.18 × 1,076.66
  4. Step 4: Simplify right side
    1,822.46x = 2,707,993.70
  5. Step 5: Solve for x
    x = 2,707,993.70/1,822.46
  6. Step 6: Final answer
    x = 1,485.90

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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.