Home / 3,708.90-5,564.70-1,519.20

Finding the Fourth Proportional to 3,708.90, 5,564.70 and 1,519.20

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Solution

The fourth proportional to 3,708.90, 5,564.70 and 1,519.20 is: 2,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.90 : 5,564.70 = 1,519.20 : x
  2. Step 2: Convert to fraction form
    3,708.90/5,564.70 = 1,519.20/x
  3. Step 3: Cross multiply
    3,708.90x = 5,564.70 × 1,519.20
  4. Step 4: Simplify right side
    3,708.90x = 8,453,892.24
  5. Step 5: Solve for x
    x = 8,453,892.24/3,708.90
  6. Step 6: Final answer
    x = 2,279.35

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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.