Home / 4,072.19-5,618.90-2,500.79

Finding the Fourth Proportional to 4,072.19, 5,618.90 and 2,500.79

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Solution

The fourth proportional to 4,072.19, 5,618.90 and 2,500.79 is: 3,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.19 : 5,618.90 = 2,500.79 : x
  2. Step 2: Convert to fraction form
    4,072.19/5,618.90 = 2,500.79/x
  3. Step 3: Cross multiply
    4,072.19x = 5,618.90 × 2,500.79
  4. Step 4: Simplify right side
    4,072.19x = 14,051,667.09
  5. Step 5: Solve for x
    x = 14,051,667.09/4,072.19
  6. Step 6: Final answer
    x = 3,450.65

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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.