Home / 3,652.33-5,039.49-2,160.49

Finding the Fourth Proportional to 3,652.33, 5,039.49 and 2,160.49

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Solution

The fourth proportional to 3,652.33, 5,039.49 and 2,160.49 is: 2,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.33 : 5,039.49 = 2,160.49 : x
  2. Step 2: Convert to fraction form
    3,652.33/5,039.49 = 2,160.49/x
  3. Step 3: Cross multiply
    3,652.33x = 5,039.49 × 2,160.49
  4. Step 4: Simplify right side
    3,652.33x = 10,887,767.75
  5. Step 5: Solve for x
    x = 10,887,767.75/3,652.33
  6. Step 6: Final answer
    x = 2,981.05

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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.