Home / 1,447.16-1,998.21-1,336.59

Finding the Fourth Proportional to 1,447.16, 1,998.21 and 1,336.59

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Solution

The fourth proportional to 1,447.16, 1,998.21 and 1,336.59 is: 1,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.16 : 1,998.21 = 1,336.59 : x
  2. Step 2: Convert to fraction form
    1,447.16/1,998.21 = 1,336.59/x
  3. Step 3: Cross multiply
    1,447.16x = 1,998.21 × 1,336.59
  4. Step 4: Simplify right side
    1,447.16x = 2,670,787.50
  5. Step 5: Solve for x
    x = 2,670,787.50/1,447.16
  6. Step 6: Final answer
    x = 1,845.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.