Home / 4,091.51-5,645.79-2,323.05

Finding the Fourth Proportional to 4,091.51, 5,645.79 and 2,323.05

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Solution

The fourth proportional to 4,091.51, 5,645.79 and 2,323.05 is: 3,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.51 : 5,645.79 = 2,323.05 : x
  2. Step 2: Convert to fraction form
    4,091.51/5,645.79 = 2,323.05/x
  3. Step 3: Cross multiply
    4,091.51x = 5,645.79 × 2,323.05
  4. Step 4: Simplify right side
    4,091.51x = 13,115,452.46
  5. Step 5: Solve for x
    x = 13,115,452.46/4,091.51
  6. Step 6: Final answer
    x = 3,205.53

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Half scale
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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.