Home / 2,764.48-4,148.64-2,115.52

Finding the Fourth Proportional to 2,764.48, 4,148.64 and 2,115.52

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Solution

The fourth proportional to 2,764.48, 4,148.64 and 2,115.52 is: 3,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.48 : 4,148.64 = 2,115.52 : x
  2. Step 2: Convert to fraction form
    2,764.48/4,148.64 = 2,115.52/x
  3. Step 3: Cross multiply
    2,764.48x = 4,148.64 × 2,115.52
  4. Step 4: Simplify right side
    2,764.48x = 8,776,530.89
  5. Step 5: Solve for x
    x = 8,776,530.89/2,764.48
  6. Step 6: Final answer
    x = 3,174.75

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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.