Home / 3,466.93-5,200.42-1,387.11

Finding the Fourth Proportional to 3,466.93, 5,200.42 and 1,387.11

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Solution

The fourth proportional to 3,466.93, 5,200.42 and 1,387.11 is: 2,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.93 : 5,200.42 = 1,387.11 : x
  2. Step 2: Convert to fraction form
    3,466.93/5,200.42 = 1,387.11/x
  3. Step 3: Cross multiply
    3,466.93x = 5,200.42 × 1,387.11
  4. Step 4: Simplify right side
    3,466.93x = 7,213,554.59
  5. Step 5: Solve for x
    x = 7,213,554.59/3,466.93
  6. Step 6: Final answer
    x = 2,080.68

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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.