Home / 3,356.90-5,035.35-1,276.42

Finding the Fourth Proportional to 3,356.90, 5,035.35 and 1,276.42

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Solution

The fourth proportional to 3,356.90, 5,035.35 and 1,276.42 is: 1,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.90 : 5,035.35 = 1,276.42 : x
  2. Step 2: Convert to fraction form
    3,356.90/5,035.35 = 1,276.42/x
  3. Step 3: Cross multiply
    3,356.90x = 5,035.35 × 1,276.42
  4. Step 4: Simplify right side
    3,356.90x = 6,427,216.66
  5. Step 5: Solve for x
    x = 6,427,216.66/3,356.90
  6. Step 6: Final answer
    x = 1,914.63

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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.