Home / 3,719.34-5,579.02-1,528.28

Finding the Fourth Proportional to 3,719.34, 5,579.02 and 1,528.28

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Solution

The fourth proportional to 3,719.34, 5,579.02 and 1,528.28 is: 2,292.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.34 : 5,579.02 = 1,528.28 : x
  2. Step 2: Convert to fraction form
    3,719.34/5,579.02 = 1,528.28/x
  3. Step 3: Cross multiply
    3,719.34x = 5,579.02 × 1,528.28
  4. Step 4: Simplify right side
    3,719.34x = 8,526,304.69
  5. Step 5: Solve for x
    x = 8,526,304.69/3,719.34
  6. Step 6: Final answer
    x = 2,292.42

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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.