Home / 4,083.50-5,635.28-2,220.50

Finding the Fourth Proportional to 4,083.50, 5,635.28 and 2,220.50

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Solution

The fourth proportional to 4,083.50, 5,635.28 and 2,220.50 is: 3,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.50 : 5,635.28 = 2,220.50 : x
  2. Step 2: Convert to fraction form
    4,083.50/5,635.28 = 2,220.50/x
  3. Step 3: Cross multiply
    4,083.50x = 5,635.28 × 2,220.50
  4. Step 4: Simplify right side
    4,083.50x = 12,513,128.14
  5. Step 5: Solve for x
    x = 12,513,128.14/4,083.50
  6. Step 6: Final answer
    x = 3,064.31

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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.