Home / 3,178.16-4,768.27-1,534.89

Finding the Fourth Proportional to 3,178.16, 4,768.27 and 1,534.89

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Solution

The fourth proportional to 3,178.16, 4,768.27 and 1,534.89 is: 2,302.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.16 : 4,768.27 = 1,534.89 : x
  2. Step 2: Convert to fraction form
    3,178.16/4,768.27 = 1,534.89/x
  3. Step 3: Cross multiply
    3,178.16x = 4,768.27 × 1,534.89
  4. Step 4: Simplify right side
    3,178.16x = 7,318,766.10
  5. Step 5: Solve for x
    x = 7,318,766.10/3,178.16
  6. Step 6: Final answer
    x = 2,302.83

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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.