Home / 3,466.38-5,199.90-1,275.15

Finding the Fourth Proportional to 3,466.38, 5,199.90 and 1,275.15

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Solution

The fourth proportional to 3,466.38, 5,199.90 and 1,275.15 is: 1,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.38 : 5,199.90 = 1,275.15 : x
  2. Step 2: Convert to fraction form
    3,466.38/5,199.90 = 1,275.15/x
  3. Step 3: Cross multiply
    3,466.38x = 5,199.90 × 1,275.15
  4. Step 4: Simplify right side
    3,466.38x = 6,630,652.49
  5. Step 5: Solve for x
    x = 6,630,652.49/3,466.38
  6. Step 6: Final answer
    x = 1,912.85

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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.