Home / 2,201.27-3,035.75-1,455.98

Finding the Fourth Proportional to 2,201.27, 3,035.75 and 1,455.98

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Solution

The fourth proportional to 2,201.27, 3,035.75 and 1,455.98 is: 2,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.27 : 3,035.75 = 1,455.98 : x
  2. Step 2: Convert to fraction form
    2,201.27/3,035.75 = 1,455.98/x
  3. Step 3: Cross multiply
    2,201.27x = 3,035.75 × 1,455.98
  4. Step 4: Simplify right side
    2,201.27x = 4,419,968.83
  5. Step 5: Solve for x
    x = 4,419,968.83/2,201.27
  6. Step 6: Final answer
    x = 2,007.92

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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.