Home / 2,137.96-2,949.52-1,310.44

Finding the Fourth Proportional to 2,137.96, 2,949.52 and 1,310.44

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Solution

The fourth proportional to 2,137.96, 2,949.52 and 1,310.44 is: 1,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.96 : 2,949.52 = 1,310.44 : x
  2. Step 2: Convert to fraction form
    2,137.96/2,949.52 = 1,310.44/x
  3. Step 3: Cross multiply
    2,137.96x = 2,949.52 × 1,310.44
  4. Step 4: Simplify right side
    2,137.96x = 3,865,168.99
  5. Step 5: Solve for x
    x = 3,865,168.99/2,137.96
  6. Step 6: Final answer
    x = 1,807.88

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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.