Home / 3,653.20-5,039.62-2,605.87

Finding the Fourth Proportional to 3,653.20, 5,039.62 and 2,605.87

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Solution

The fourth proportional to 3,653.20, 5,039.62 and 2,605.87 is: 3,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.20 : 5,039.62 = 2,605.87 : x
  2. Step 2: Convert to fraction form
    3,653.20/5,039.62 = 2,605.87/x
  3. Step 3: Cross multiply
    3,653.20x = 5,039.62 × 2,605.87
  4. Step 4: Simplify right side
    3,653.20x = 13,132,594.35
  5. Step 5: Solve for x
    x = 13,132,594.35/3,653.20
  6. Step 6: Final answer
    x = 3,594.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.