Home / 2,751.16-4,122.96-2,135.56

Finding the Fourth Proportional to 2,751.16, 4,122.96 and 2,135.56

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Solution

The fourth proportional to 2,751.16, 4,122.96 and 2,135.56 is: 3,200.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.16 : 4,122.96 = 2,135.56 : x
  2. Step 2: Convert to fraction form
    2,751.16/4,122.96 = 2,135.56/x
  3. Step 3: Cross multiply
    2,751.16x = 4,122.96 × 2,135.56
  4. Step 4: Simplify right side
    2,751.16x = 8,804,828.46
  5. Step 5: Solve for x
    x = 8,804,828.46/2,751.16
  6. Step 6: Final answer
    x = 3,200.41

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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.