Home / 3,673.92-5,068.86-2,101.71

Finding the Fourth Proportional to 3,673.92, 5,068.86 and 2,101.71

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Solution

The fourth proportional to 3,673.92, 5,068.86 and 2,101.71 is: 2,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.92 : 5,068.86 = 2,101.71 : x
  2. Step 2: Convert to fraction form
    3,673.92/5,068.86 = 2,101.71/x
  3. Step 3: Cross multiply
    3,673.92x = 5,068.86 × 2,101.71
  4. Step 4: Simplify right side
    3,673.92x = 10,653,273.75
  5. Step 5: Solve for x
    x = 10,653,273.75/3,673.92
  6. Step 6: Final answer
    x = 2,899.70

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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.