Home / 2,783.21-4,175.02-934.31

Finding the Fourth Proportional to 2,783.21, 4,175.02 and 934.31

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Solution

The fourth proportional to 2,783.21, 4,175.02 and 934.31 is: 1,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.21 : 4,175.02 = 934.31 : x
  2. Step 2: Convert to fraction form
    2,783.21/4,175.02 = 934.31/x
  3. Step 3: Cross multiply
    2,783.21x = 4,175.02 × 934.31
  4. Step 4: Simplify right side
    2,783.21x = 3,900,760.17
  5. Step 5: Solve for x
    x = 3,900,760.17/2,783.21
  6. Step 6: Final answer
    x = 1,401.53

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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.