Home / 3,142.54-4,711.38-2,102.50

Finding the Fourth Proportional to 3,142.54, 4,711.38 and 2,102.50

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Solution

The fourth proportional to 3,142.54, 4,711.38 and 2,102.50 is: 3,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.54 : 4,711.38 = 2,102.50 : x
  2. Step 2: Convert to fraction form
    3,142.54/4,711.38 = 2,102.50/x
  3. Step 3: Cross multiply
    3,142.54x = 4,711.38 × 2,102.50
  4. Step 4: Simplify right side
    3,142.54x = 9,905,676.45
  5. Step 5: Solve for x
    x = 9,905,676.45/3,142.54
  6. Step 6: Final answer
    x = 3,152.12

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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.