Home / 2,135.25-3,204.72-837.63

Finding the Fourth Proportional to 2,135.25, 3,204.72 and 837.63

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Solution

The fourth proportional to 2,135.25, 3,204.72 and 837.63 is: 1,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.25 : 3,204.72 = 837.63 : x
  2. Step 2: Convert to fraction form
    2,135.25/3,204.72 = 837.63/x
  3. Step 3: Cross multiply
    2,135.25x = 3,204.72 × 837.63
  4. Step 4: Simplify right side
    2,135.25x = 2,684,369.61
  5. Step 5: Solve for x
    x = 2,684,369.61/2,135.25
  6. Step 6: Final answer
    x = 1,257.17

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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.