Home / 3,108.48-4,293.12-3,073.92

Finding the Fourth Proportional to 3,108.48, 4,293.12 and 3,073.92

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Solution

The fourth proportional to 3,108.48, 4,293.12 and 3,073.92 is: 4,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.48 : 4,293.12 = 3,073.92 : x
  2. Step 2: Convert to fraction form
    3,108.48/4,293.12 = 3,073.92/x
  3. Step 3: Cross multiply
    3,108.48x = 4,293.12 × 3,073.92
  4. Step 4: Simplify right side
    3,108.48x = 13,196,707.43
  5. Step 5: Solve for x
    x = 13,196,707.43/3,108.48
  6. Step 6: Final answer
    x = 4,245.39

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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.