Home / 3,133.28-4,314.08-2,660.18

Finding the Fourth Proportional to 3,133.28, 4,314.08 and 2,660.18

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Solution

The fourth proportional to 3,133.28, 4,314.08 and 2,660.18 is: 3,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.28 : 4,314.08 = 2,660.18 : x
  2. Step 2: Convert to fraction form
    3,133.28/4,314.08 = 2,660.18/x
  3. Step 3: Cross multiply
    3,133.28x = 4,314.08 × 2,660.18
  4. Step 4: Simplify right side
    3,133.28x = 11,476,216.03
  5. Step 5: Solve for x
    x = 11,476,216.03/3,133.28
  6. Step 6: Final answer
    x = 3,662.69

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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.