Home / 4,121.44-5,688.61-2,354.09

Finding the Fourth Proportional to 4,121.44, 5,688.61 and 2,354.09

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Solution

The fourth proportional to 4,121.44, 5,688.61 and 2,354.09 is: 3,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.44 : 5,688.61 = 2,354.09 : x
  2. Step 2: Convert to fraction form
    4,121.44/5,688.61 = 2,354.09/x
  3. Step 3: Cross multiply
    4,121.44x = 5,688.61 × 2,354.09
  4. Step 4: Simplify right side
    4,121.44x = 13,391,465.59
  5. Step 5: Solve for x
    x = 13,391,465.59/4,121.44
  6. Step 6: Final answer
    x = 3,249.22

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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.