Home / 3,301.15-4,555.42-1,808.78

Finding the Fourth Proportional to 3,301.15, 4,555.42 and 1,808.78

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Solution

The fourth proportional to 3,301.15, 4,555.42 and 1,808.78 is: 2,496.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.15 : 4,555.42 = 1,808.78 : x
  2. Step 2: Convert to fraction form
    3,301.15/4,555.42 = 1,808.78/x
  3. Step 3: Cross multiply
    3,301.15x = 4,555.42 × 1,808.78
  4. Step 4: Simplify right side
    3,301.15x = 8,239,742.37
  5. Step 5: Solve for x
    x = 8,239,742.37/3,301.15
  6. Step 6: Final answer
    x = 2,496.02

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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.