Home / 3,818.99-5,726.68-1,480.10

Finding the Fourth Proportional to 3,818.99, 5,726.68 and 1,480.10

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Solution

The fourth proportional to 3,818.99, 5,726.68 and 1,480.10 is: 2,219.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.99 : 5,726.68 = 1,480.10 : x
  2. Step 2: Convert to fraction form
    3,818.99/5,726.68 = 1,480.10/x
  3. Step 3: Cross multiply
    3,818.99x = 5,726.68 × 1,480.10
  4. Step 4: Simplify right side
    3,818.99x = 8,476,026.73
  5. Step 5: Solve for x
    x = 8,476,026.73/3,818.99
  6. Step 6: Final answer
    x = 2,219.44

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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.