Home / 3,647.31-5,033.64-2,231.63

Finding the Fourth Proportional to 3,647.31, 5,033.64 and 2,231.63

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Solution

The fourth proportional to 3,647.31, 5,033.64 and 2,231.63 is: 3,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.31 : 5,033.64 = 2,231.63 : x
  2. Step 2: Convert to fraction form
    3,647.31/5,033.64 = 2,231.63/x
  3. Step 3: Cross multiply
    3,647.31x = 5,033.64 × 2,231.63
  4. Step 4: Simplify right side
    3,647.31x = 11,233,222.03
  5. Step 5: Solve for x
    x = 11,233,222.03/3,647.31
  6. Step 6: Final answer
    x = 3,079.87

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1.5x scale

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.