Home / 3,332.68-5,003.63-1,690.38

Finding the Fourth Proportional to 3,332.68, 5,003.63 and 1,690.38

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Solution

The fourth proportional to 3,332.68, 5,003.63 and 1,690.38 is: 2,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.68 : 5,003.63 = 1,690.38 : x
  2. Step 2: Convert to fraction form
    3,332.68/5,003.63 = 1,690.38/x
  3. Step 3: Cross multiply
    3,332.68x = 5,003.63 × 1,690.38
  4. Step 4: Simplify right side
    3,332.68x = 8,458,036.08
  5. Step 5: Solve for x
    x = 8,458,036.08/3,332.68
  6. Step 6: Final answer
    x = 2,537.91

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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.