Home / 3,361.66-5,042.47-1,281.18

Finding the Fourth Proportional to 3,361.66, 5,042.47 and 1,281.18

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Solution

The fourth proportional to 3,361.66, 5,042.47 and 1,281.18 is: 1,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.66 : 5,042.47 = 1,281.18 : x
  2. Step 2: Convert to fraction form
    3,361.66/5,042.47 = 1,281.18/x
  3. Step 3: Cross multiply
    3,361.66x = 5,042.47 × 1,281.18
  4. Step 4: Simplify right side
    3,361.66x = 6,460,311.71
  5. Step 5: Solve for x
    x = 6,460,311.71/3,361.66
  6. Step 6: Final answer
    x = 1,921.76

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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.