Home / 3,815.67-5,263.86-2,242.65

Finding the Fourth Proportional to 3,815.67, 5,263.86 and 2,242.65

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Solution

The fourth proportional to 3,815.67, 5,263.86 and 2,242.65 is: 3,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.67 : 5,263.86 = 2,242.65 : x
  2. Step 2: Convert to fraction form
    3,815.67/5,263.86 = 2,242.65/x
  3. Step 3: Cross multiply
    3,815.67x = 5,263.86 × 2,242.65
  4. Step 4: Simplify right side
    3,815.67x = 11,804,995.63
  5. Step 5: Solve for x
    x = 11,804,995.63/3,815.67
  6. Step 6: Final answer
    x = 3,093.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.