Home / 3,178.64-4,385.76-2,433.44

Finding the Fourth Proportional to 3,178.64, 4,385.76 and 2,433.44

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Solution

The fourth proportional to 3,178.64, 4,385.76 and 2,433.44 is: 3,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.64 : 4,385.76 = 2,433.44 : x
  2. Step 2: Convert to fraction form
    3,178.64/4,385.76 = 2,433.44/x
  3. Step 3: Cross multiply
    3,178.64x = 4,385.76 × 2,433.44
  4. Step 4: Simplify right side
    3,178.64x = 10,672,483.81
  5. Step 5: Solve for x
    x = 10,672,483.81/3,178.64
  6. Step 6: Final answer
    x = 3,357.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.