Home / 3,361.65-5,043.08-1,387.27

Finding the Fourth Proportional to 3,361.65, 5,043.08 and 1,387.27

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Solution

The fourth proportional to 3,361.65, 5,043.08 and 1,387.27 is: 2,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.65 : 5,043.08 = 1,387.27 : x
  2. Step 2: Convert to fraction form
    3,361.65/5,043.08 = 1,387.27/x
  3. Step 3: Cross multiply
    3,361.65x = 5,043.08 × 1,387.27
  4. Step 4: Simplify right side
    3,361.65x = 6,996,113.59
  5. Step 5: Solve for x
    x = 6,996,113.59/3,361.65
  6. Step 6: Final answer
    x = 2,081.15

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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.