Home / 3,555.15-5,332.92-1,362.87

Finding the Fourth Proportional to 3,555.15, 5,332.92 and 1,362.87

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Solution

The fourth proportional to 3,555.15, 5,332.92 and 1,362.87 is: 2,044.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.15 : 5,332.92 = 1,362.87 : x
  2. Step 2: Convert to fraction form
    3,555.15/5,332.92 = 1,362.87/x
  3. Step 3: Cross multiply
    3,555.15x = 5,332.92 × 1,362.87
  4. Step 4: Simplify right side
    3,555.15x = 7,268,076.68
  5. Step 5: Solve for x
    x = 7,268,076.68/3,555.15
  6. Step 6: Final answer
    x = 2,044.38

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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.