Home / 4,087.08-5,641.18-2,319.75

Finding the Fourth Proportional to 4,087.08, 5,641.18 and 2,319.75

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Solution

The fourth proportional to 4,087.08, 5,641.18 and 2,319.75 is: 3,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.08 : 5,641.18 = 2,319.75 : x
  2. Step 2: Convert to fraction form
    4,087.08/5,641.18 = 2,319.75/x
  3. Step 3: Cross multiply
    4,087.08x = 5,641.18 × 2,319.75
  4. Step 4: Simplify right side
    4,087.08x = 13,086,121.51
  5. Step 5: Solve for x
    x = 13,086,121.51/4,087.08
  6. Step 6: Final answer
    x = 3,201.83

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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.