Home / 3,653.08-5,036-2,455.90

Finding the Fourth Proportional to 3,653.08, 5,036 and 2,455.90

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Solution

The fourth proportional to 3,653.08, 5,036 and 2,455.90 is: 3,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.08 : 5,036 = 2,455.90 : x
  2. Step 2: Convert to fraction form
    3,653.08/5,036 = 2,455.90/x
  3. Step 3: Cross multiply
    3,653.08x = 5,036 × 2,455.90
  4. Step 4: Simplify right side
    3,653.08x = 12,367,912.40
  5. Step 5: Solve for x
    x = 12,367,912.40/3,653.08
  6. Step 6: Final answer
    x = 3,385.61

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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.