Home / 3,071.37-4,244.15-2,919.65

Finding the Fourth Proportional to 3,071.37, 4,244.15 and 2,919.65

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Solution

The fourth proportional to 3,071.37, 4,244.15 and 2,919.65 is: 4,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.37 : 4,244.15 = 2,919.65 : x
  2. Step 2: Convert to fraction form
    3,071.37/4,244.15 = 2,919.65/x
  3. Step 3: Cross multiply
    3,071.37x = 4,244.15 × 2,919.65
  4. Step 4: Simplify right side
    3,071.37x = 12,391,402.20
  5. Step 5: Solve for x
    x = 12,391,402.20/3,071.37
  6. Step 6: Final answer
    x = 4,034.49

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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.