Home / 3,601.18-4,969.66-2,275.48

Finding the Fourth Proportional to 3,601.18, 4,969.66 and 2,275.48

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Solution

The fourth proportional to 3,601.18, 4,969.66 and 2,275.48 is: 3,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.18 : 4,969.66 = 2,275.48 : x
  2. Step 2: Convert to fraction form
    3,601.18/4,969.66 = 2,275.48/x
  3. Step 3: Cross multiply
    3,601.18x = 4,969.66 × 2,275.48
  4. Step 4: Simplify right side
    3,601.18x = 11,308,361.94
  5. Step 5: Solve for x
    x = 11,308,361.94/3,601.18
  6. Step 6: Final answer
    x = 3,140.18

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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.