Home / 3,191.34-4,787.10-882.84

Finding the Fourth Proportional to 3,191.34, 4,787.10 and 882.84

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Solution

The fourth proportional to 3,191.34, 4,787.10 and 882.84 is: 1,324.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.34 : 4,787.10 = 882.84 : x
  2. Step 2: Convert to fraction form
    3,191.34/4,787.10 = 882.84/x
  3. Step 3: Cross multiply
    3,191.34x = 4,787.10 × 882.84
  4. Step 4: Simplify right side
    3,191.34x = 4,226,243.36
  5. Step 5: Solve for x
    x = 4,226,243.36/3,191.34
  6. Step 6: Final answer
    x = 1,324.28

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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.