Home / 4,129.28-5,698.34-2,266.28

Finding the Fourth Proportional to 4,129.28, 5,698.34 and 2,266.28

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Solution

The fourth proportional to 4,129.28, 5,698.34 and 2,266.28 is: 3,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.28 : 5,698.34 = 2,266.28 : x
  2. Step 2: Convert to fraction form
    4,129.28/5,698.34 = 2,266.28/x
  3. Step 3: Cross multiply
    4,129.28x = 5,698.34 × 2,266.28
  4. Step 4: Simplify right side
    4,129.28x = 12,914,033.98
  5. Step 5: Solve for x
    x = 12,914,033.98/4,129.28
  6. Step 6: Final answer
    x = 3,127.43

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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.