Home / 1,336.17-1,845.42-1,317.96

Finding the Fourth Proportional to 1,336.17, 1,845.42 and 1,317.96

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Solution

The fourth proportional to 1,336.17, 1,845.42 and 1,317.96 is: 1,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.17 : 1,845.42 = 1,317.96 : x
  2. Step 2: Convert to fraction form
    1,336.17/1,845.42 = 1,317.96/x
  3. Step 3: Cross multiply
    1,336.17x = 1,845.42 × 1,317.96
  4. Step 4: Simplify right side
    1,336.17x = 2,432,189.74
  5. Step 5: Solve for x
    x = 2,432,189.74/1,336.17
  6. Step 6: Final answer
    x = 1,820.27

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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.