Home / 2,127.35-3,184.19-1,137.69

Finding the Fourth Proportional to 2,127.35, 3,184.19 and 1,137.69

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Solution

The fourth proportional to 2,127.35, 3,184.19 and 1,137.69 is: 1,702.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.35 : 3,184.19 = 1,137.69 : x
  2. Step 2: Convert to fraction form
    2,127.35/3,184.19 = 1,137.69/x
  3. Step 3: Cross multiply
    2,127.35x = 3,184.19 × 1,137.69
  4. Step 4: Simplify right side
    2,127.35x = 3,622,623.97
  5. Step 5: Solve for x
    x = 3,622,623.97/2,127.35
  6. Step 6: Final answer
    x = 1,702.88

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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.