Home / 3,814.08-5,721.66-1,966.20

Finding the Fourth Proportional to 3,814.08, 5,721.66 and 1,966.20

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Solution

The fourth proportional to 3,814.08, 5,721.66 and 1,966.20 is: 2,949.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.08 : 5,721.66 = 1,966.20 : x
  2. Step 2: Convert to fraction form
    3,814.08/5,721.66 = 1,966.20/x
  3. Step 3: Cross multiply
    3,814.08x = 5,721.66 × 1,966.20
  4. Step 4: Simplify right side
    3,814.08x = 11,249,927.89
  5. Step 5: Solve for x
    x = 11,249,927.89/3,814.08
  6. Step 6: Final answer
    x = 2,949.58

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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.