Home / 3,816.99-5,726.43-1,219.91

Finding the Fourth Proportional to 3,816.99, 5,726.43 and 1,219.91

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Solution

The fourth proportional to 3,816.99, 5,726.43 and 1,219.91 is: 1,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.99 : 5,726.43 = 1,219.91 : x
  2. Step 2: Convert to fraction form
    3,816.99/5,726.43 = 1,219.91/x
  3. Step 3: Cross multiply
    3,816.99x = 5,726.43 × 1,219.91
  4. Step 4: Simplify right side
    3,816.99x = 6,985,700.59
  5. Step 5: Solve for x
    x = 6,985,700.59/3,816.99
  6. Step 6: Final answer
    x = 1,830.16

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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.