Home / 3,108.08-4,285.93-2,400.04

Finding the Fourth Proportional to 3,108.08, 4,285.93 and 2,400.04

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Solution

The fourth proportional to 3,108.08, 4,285.93 and 2,400.04 is: 3,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.08 : 4,285.93 = 2,400.04 : x
  2. Step 2: Convert to fraction form
    3,108.08/4,285.93 = 2,400.04/x
  3. Step 3: Cross multiply
    3,108.08x = 4,285.93 × 2,400.04
  4. Step 4: Simplify right side
    3,108.08x = 10,286,397.44
  5. Step 5: Solve for x
    x = 10,286,397.44/3,108.08
  6. Step 6: Final answer
    x = 3,309.57

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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.