Home / 4,091.13-5,645.80-2,322.78

Finding the Fourth Proportional to 4,091.13, 5,645.80 and 2,322.78

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Solution

The fourth proportional to 4,091.13, 5,645.80 and 2,322.78 is: 3,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.13 : 5,645.80 = 2,322.78 : x
  2. Step 2: Convert to fraction form
    4,091.13/5,645.80 = 2,322.78/x
  3. Step 3: Cross multiply
    4,091.13x = 5,645.80 × 2,322.78
  4. Step 4: Simplify right side
    4,091.13x = 13,113,933.06
  5. Step 5: Solve for x
    x = 13,113,933.06/4,091.13
  6. Step 6: Final answer
    x = 3,205.45

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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.