Home / 2,783.22-4,175.30-934.51

Finding the Fourth Proportional to 2,783.22, 4,175.30 and 934.51

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Solution

The fourth proportional to 2,783.22, 4,175.30 and 934.51 is: 1,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.22 : 4,175.30 = 934.51 : x
  2. Step 2: Convert to fraction form
    2,783.22/4,175.30 = 934.51/x
  3. Step 3: Cross multiply
    2,783.22x = 4,175.30 × 934.51
  4. Step 4: Simplify right side
    2,783.22x = 3,901,859.60
  5. Step 5: Solve for x
    x = 3,901,859.60/2,783.22
  6. Step 6: Final answer
    x = 1,401.92

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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.