Home / 3,651.35-5,039.01-2,160.14

Finding the Fourth Proportional to 3,651.35, 5,039.01 and 2,160.14

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Solution

The fourth proportional to 3,651.35, 5,039.01 and 2,160.14 is: 2,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.35 : 5,039.01 = 2,160.14 : x
  2. Step 2: Convert to fraction form
    3,651.35/5,039.01 = 2,160.14/x
  3. Step 3: Cross multiply
    3,651.35x = 5,039.01 × 2,160.14
  4. Step 4: Simplify right side
    3,651.35x = 10,884,941.87
  5. Step 5: Solve for x
    x = 10,884,941.87/3,651.35
  6. Step 6: Final answer
    x = 2,981.08

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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.