Home / 3,368.74-5,054.20-1,261.47

Finding the Fourth Proportional to 3,368.74, 5,054.20 and 1,261.47

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Solution

The fourth proportional to 3,368.74, 5,054.20 and 1,261.47 is: 1,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.74 : 5,054.20 = 1,261.47 : x
  2. Step 2: Convert to fraction form
    3,368.74/5,054.20 = 1,261.47/x
  3. Step 3: Cross multiply
    3,368.74x = 5,054.20 × 1,261.47
  4. Step 4: Simplify right side
    3,368.74x = 6,375,737.47
  5. Step 5: Solve for x
    x = 6,375,737.47/3,368.74
  6. Step 6: Final answer
    x = 1,892.62

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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.