Home / 2,669.36-3,999.88-1,693.41

Finding the Fourth Proportional to 2,669.36, 3,999.88 and 1,693.41

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Solution

The fourth proportional to 2,669.36, 3,999.88 and 1,693.41 is: 2,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.36 : 3,999.88 = 1,693.41 : x
  2. Step 2: Convert to fraction form
    2,669.36/3,999.88 = 1,693.41/x
  3. Step 3: Cross multiply
    2,669.36x = 3,999.88 × 1,693.41
  4. Step 4: Simplify right side
    2,669.36x = 6,773,423.91
  5. Step 5: Solve for x
    x = 6,773,423.91/2,669.36
  6. Step 6: Final answer
    x = 2,537.48

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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.