Home / 2,171.88-3,259.19-1,133.74

Finding the Fourth Proportional to 2,171.88, 3,259.19 and 1,133.74

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Solution

The fourth proportional to 2,171.88, 3,259.19 and 1,133.74 is: 1,701.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.88 : 3,259.19 = 1,133.74 : x
  2. Step 2: Convert to fraction form
    2,171.88/3,259.19 = 1,133.74/x
  3. Step 3: Cross multiply
    2,171.88x = 3,259.19 × 1,133.74
  4. Step 4: Simplify right side
    2,171.88x = 3,695,080.98
  5. Step 5: Solve for x
    x = 3,695,080.98/2,171.88
  6. Step 6: Final answer
    x = 1,701.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.