Home / 3,038.72-4,189.05-2,448.23

Finding the Fourth Proportional to 3,038.72, 4,189.05 and 2,448.23

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Solution

The fourth proportional to 3,038.72, 4,189.05 and 2,448.23 is: 3,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.72 : 4,189.05 = 2,448.23 : x
  2. Step 2: Convert to fraction form
    3,038.72/4,189.05 = 2,448.23/x
  3. Step 3: Cross multiply
    3,038.72x = 4,189.05 × 2,448.23
  4. Step 4: Simplify right side
    3,038.72x = 10,255,736.94
  5. Step 5: Solve for x
    x = 10,255,736.94/3,038.72
  6. Step 6: Final answer
    x = 3,375.02

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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.