Home / 2,137.39-3,202.44-1,726.72

Finding the Fourth Proportional to 2,137.39, 3,202.44 and 1,726.72

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Solution

The fourth proportional to 2,137.39, 3,202.44 and 1,726.72 is: 2,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.39 : 3,202.44 = 1,726.72 : x
  2. Step 2: Convert to fraction form
    2,137.39/3,202.44 = 1,726.72/x
  3. Step 3: Cross multiply
    2,137.39x = 3,202.44 × 1,726.72
  4. Step 4: Simplify right side
    2,137.39x = 5,529,717.20
  5. Step 5: Solve for x
    x = 5,529,717.20/2,137.39
  6. Step 6: Final answer
    x = 2,587.14

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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.