Home / 2,780.36-4,175.30-2,468.71

Finding the Fourth Proportional to 2,780.36, 4,175.30 and 2,468.71

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Solution

The fourth proportional to 2,780.36, 4,175.30 and 2,468.71 is: 3,707.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780.36 : 4,175.30 = 2,468.71 : x
  2. Step 2: Convert to fraction form
    2,780.36/4,175.30 = 2,468.71/x
  3. Step 3: Cross multiply
    2,780.36x = 4,175.30 × 2,468.71
  4. Step 4: Simplify right side
    2,780.36x = 10,307,583.99
  5. Step 5: Solve for x
    x = 10,307,583.99/2,780.36
  6. Step 6: Final answer
    x = 3,707.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.