Home / 3,134.92-4,326.34-1,808.80

Finding the Fourth Proportional to 3,134.92, 4,326.34 and 1,808.80

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Solution

The fourth proportional to 3,134.92, 4,326.34 and 1,808.80 is: 2,496.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.92 : 4,326.34 = 1,808.80 : x
  2. Step 2: Convert to fraction form
    3,134.92/4,326.34 = 1,808.80/x
  3. Step 3: Cross multiply
    3,134.92x = 4,326.34 × 1,808.80
  4. Step 4: Simplify right side
    3,134.92x = 7,825,483.79
  5. Step 5: Solve for x
    x = 7,825,483.79/3,134.92
  6. Step 6: Final answer
    x = 2,496.23

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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.