Home / 4,121.57-5,686.87-2,442.14

Finding the Fourth Proportional to 4,121.57, 5,686.87 and 2,442.14

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Solution

The fourth proportional to 4,121.57, 5,686.87 and 2,442.14 is: 3,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.57 : 5,686.87 = 2,442.14 : x
  2. Step 2: Convert to fraction form
    4,121.57/5,686.87 = 2,442.14/x
  3. Step 3: Cross multiply
    4,121.57x = 5,686.87 × 2,442.14
  4. Step 4: Simplify right side
    4,121.57x = 13,888,112.38
  5. Step 5: Solve for x
    x = 13,888,112.38/4,121.57
  6. Step 6: Final answer
    x = 3,369.62

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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.