Home / 2,311.38-3,464.28-1,764.60

Finding the Fourth Proportional to 2,311.38, 3,464.28 and 1,764.60

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Solution

The fourth proportional to 2,311.38, 3,464.28 and 1,764.60 is: 2,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.38 : 3,464.28 = 1,764.60 : x
  2. Step 2: Convert to fraction form
    2,311.38/3,464.28 = 1,764.60/x
  3. Step 3: Cross multiply
    2,311.38x = 3,464.28 × 1,764.60
  4. Step 4: Simplify right side
    2,311.38x = 6,113,068.49
  5. Step 5: Solve for x
    x = 6,113,068.49/2,311.38
  6. Step 6: Final answer
    x = 2,644.77

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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.