Home / 2,822.77-4,235.24-1,178.88

Finding the Fourth Proportional to 2,822.77, 4,235.24 and 1,178.88

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Solution

The fourth proportional to 2,822.77, 4,235.24 and 1,178.88 is: 1,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.77 : 4,235.24 = 1,178.88 : x
  2. Step 2: Convert to fraction form
    2,822.77/4,235.24 = 1,178.88/x
  3. Step 3: Cross multiply
    2,822.77x = 4,235.24 × 1,178.88
  4. Step 4: Simplify right side
    2,822.77x = 4,992,839.73
  5. Step 5: Solve for x
    x = 4,992,839.73/2,822.77
  6. Step 6: Final answer
    x = 1,768.77

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1.5x scale

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.