Home / 3,709.30-5,564.67-1,112.02

Finding the Fourth Proportional to 3,709.30, 5,564.67 and 1,112.02

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Solution

The fourth proportional to 3,709.30, 5,564.67 and 1,112.02 is: 1,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.30 : 5,564.67 = 1,112.02 : x
  2. Step 2: Convert to fraction form
    3,709.30/5,564.67 = 1,112.02/x
  3. Step 3: Cross multiply
    3,709.30x = 5,564.67 × 1,112.02
  4. Step 4: Simplify right side
    3,709.30x = 6,188,024.33
  5. Step 5: Solve for x
    x = 6,188,024.33/3,709.30
  6. Step 6: Final answer
    x = 1,668.25

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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.