Home / 3,651.22-5,039.18-2,160.01

Finding the Fourth Proportional to 3,651.22, 5,039.18 and 2,160.01

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Solution

The fourth proportional to 3,651.22, 5,039.18 and 2,160.01 is: 2,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.22 : 5,039.18 = 2,160.01 : x
  2. Step 2: Convert to fraction form
    3,651.22/5,039.18 = 2,160.01/x
  3. Step 3: Cross multiply
    3,651.22x = 5,039.18 × 2,160.01
  4. Step 4: Simplify right side
    3,651.22x = 10,884,679.19
  5. Step 5: Solve for x
    x = 10,884,679.19/3,651.22
  6. Step 6: Final answer
    x = 2,981.11

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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.