Home / 3,336.66-5,002.56-1,387.26

Finding the Fourth Proportional to 3,336.66, 5,002.56 and 1,387.26

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Solution

The fourth proportional to 3,336.66, 5,002.56 and 1,387.26 is: 2,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.66 : 5,002.56 = 1,387.26 : x
  2. Step 2: Convert to fraction form
    3,336.66/5,002.56 = 1,387.26/x
  3. Step 3: Cross multiply
    3,336.66x = 5,002.56 × 1,387.26
  4. Step 4: Simplify right side
    3,336.66x = 6,939,851.39
  5. Step 5: Solve for x
    x = 6,939,851.39/3,336.66
  6. Step 6: Final answer
    x = 2,079.88

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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.