Home / 3,815.37-5,262.84-2,696.22

Finding the Fourth Proportional to 3,815.37, 5,262.84 and 2,696.22

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Solution

The fourth proportional to 3,815.37, 5,262.84 and 2,696.22 is: 3,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.37 : 5,262.84 = 2,696.22 : x
  2. Step 2: Convert to fraction form
    3,815.37/5,262.84 = 2,696.22/x
  3. Step 3: Cross multiply
    3,815.37x = 5,262.84 × 2,696.22
  4. Step 4: Simplify right side
    3,815.37x = 14,189,774.46
  5. Step 5: Solve for x
    x = 14,189,774.46/3,815.37
  6. Step 6: Final answer
    x = 3,719.11

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1.5x scale

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.