Home / 3,693.24-5,095.20-2,121

Finding the Fourth Proportional to 3,693.24, 5,095.20 and 2,121

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Solution

The fourth proportional to 3,693.24, 5,095.20 and 2,121 is: 2,926.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.24 : 5,095.20 = 2,121 : x
  2. Step 2: Convert to fraction form
    3,693.24/5,095.20 = 2,121/x
  3. Step 3: Cross multiply
    3,693.24x = 5,095.20 × 2,121
  4. Step 4: Simplify right side
    3,693.24x = 10,806,919.20
  5. Step 5: Solve for x
    x = 10,806,919.20/3,693.24
  6. Step 6: Final answer
    x = 2,926.14

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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.