Home / 2,783.58-4,175.94-934.66

Finding the Fourth Proportional to 2,783.58, 4,175.94 and 934.66

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Solution

The fourth proportional to 2,783.58, 4,175.94 and 934.66 is: 1,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.58 : 4,175.94 = 934.66 : x
  2. Step 2: Convert to fraction form
    2,783.58/4,175.94 = 934.66/x
  3. Step 3: Cross multiply
    2,783.58x = 4,175.94 × 934.66
  4. Step 4: Simplify right side
    2,783.58x = 3,903,084.08
  5. Step 5: Solve for x
    x = 3,903,084.08/2,783.58
  6. Step 6: Final answer
    x = 1,402.18

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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.