Home / 2,137.35-3,185.99-1,901.91

Finding the Fourth Proportional to 2,137.35, 3,185.99 and 1,901.91

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Solution

The fourth proportional to 2,137.35, 3,185.99 and 1,901.91 is: 2,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.35 : 3,185.99 = 1,901.91 : x
  2. Step 2: Convert to fraction form
    2,137.35/3,185.99 = 1,901.91/x
  3. Step 3: Cross multiply
    2,137.35x = 3,185.99 × 1,901.91
  4. Step 4: Simplify right side
    2,137.35x = 6,059,466.24
  5. Step 5: Solve for x
    x = 6,059,466.24/2,137.35
  6. Step 6: Final answer
    x = 2,835.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.