Home / 2,822.85-4,232.45-1,178.96

Finding the Fourth Proportional to 2,822.85, 4,232.45 and 1,178.96

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Solution

The fourth proportional to 2,822.85, 4,232.45 and 1,178.96 is: 1,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.85 : 4,232.45 = 1,178.96 : x
  2. Step 2: Convert to fraction form
    2,822.85/4,232.45 = 1,178.96/x
  3. Step 3: Cross multiply
    2,822.85x = 4,232.45 × 1,178.96
  4. Step 4: Simplify right side
    2,822.85x = 4,989,871.04
  5. Step 5: Solve for x
    x = 4,989,871.04/2,822.85
  6. Step 6: Final answer
    x = 1,767.67

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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.