Home / 2,647.80-3,653.36-1,599.84

Finding the Fourth Proportional to 2,647.80, 3,653.36 and 1,599.84

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Solution

The fourth proportional to 2,647.80, 3,653.36 and 1,599.84 is: 2,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.80 : 3,653.36 = 1,599.84 : x
  2. Step 2: Convert to fraction form
    2,647.80/3,653.36 = 1,599.84/x
  3. Step 3: Cross multiply
    2,647.80x = 3,653.36 × 1,599.84
  4. Step 4: Simplify right side
    2,647.80x = 5,844,791.46
  5. Step 5: Solve for x
    x = 5,844,791.46/2,647.80
  6. Step 6: Final answer
    x = 2,207.41

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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.