Home / 3,669.52-5,503.36-1,719.76

Finding the Fourth Proportional to 3,669.52, 5,503.36 and 1,719.76

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Solution

The fourth proportional to 3,669.52, 5,503.36 and 1,719.76 is: 2,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.52 : 5,503.36 = 1,719.76 : x
  2. Step 2: Convert to fraction form
    3,669.52/5,503.36 = 1,719.76/x
  3. Step 3: Cross multiply
    3,669.52x = 5,503.36 × 1,719.76
  4. Step 4: Simplify right side
    3,669.52x = 9,464,458.39
  5. Step 5: Solve for x
    x = 9,464,458.39/3,669.52
  6. Step 6: Final answer
    x = 2,579.21

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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.