Home / 1,418.33-1,955.90-1,336.32

Finding the Fourth Proportional to 1,418.33, 1,955.90 and 1,336.32

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Solution

The fourth proportional to 1,418.33, 1,955.90 and 1,336.32 is: 1,842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.33 : 1,955.90 = 1,336.32 : x
  2. Step 2: Convert to fraction form
    1,418.33/1,955.90 = 1,336.32/x
  3. Step 3: Cross multiply
    1,418.33x = 1,955.90 × 1,336.32
  4. Step 4: Simplify right side
    1,418.33x = 2,613,711.63
  5. Step 5: Solve for x
    x = 2,613,711.63/1,418.33
  6. Step 6: Final answer
    x = 1,842.81

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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.