Home / 3,708.12-5,564.34-1,399.80

Finding the Fourth Proportional to 3,708.12, 5,564.34 and 1,399.80

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Solution

The fourth proportional to 3,708.12, 5,564.34 and 1,399.80 is: 2,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.12 : 5,564.34 = 1,399.80 : x
  2. Step 2: Convert to fraction form
    3,708.12/5,564.34 = 1,399.80/x
  3. Step 3: Cross multiply
    3,708.12x = 5,564.34 × 1,399.80
  4. Step 4: Simplify right side
    3,708.12x = 7,788,963.13
  5. Step 5: Solve for x
    x = 7,788,963.13/3,708.12
  6. Step 6: Final answer
    x = 2,100.52

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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.