Home / 3,540.84-5,317.20-2,663.34

Finding the Fourth Proportional to 3,540.84, 5,317.20 and 2,663.34

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Solution

The fourth proportional to 3,540.84, 5,317.20 and 2,663.34 is: 3,999.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.84 : 5,317.20 = 2,663.34 : x
  2. Step 2: Convert to fraction form
    3,540.84/5,317.20 = 2,663.34/x
  3. Step 3: Cross multiply
    3,540.84x = 5,317.20 × 2,663.34
  4. Step 4: Simplify right side
    3,540.84x = 14,161,511.45
  5. Step 5: Solve for x
    x = 14,161,511.45/3,540.84
  6. Step 6: Final answer
    x = 3,999.48

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1.5x scale

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.