Home / 3,996.64-5,511.03-2,721.34

Finding the Fourth Proportional to 3,996.64, 5,511.03 and 2,721.34

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Solution

The fourth proportional to 3,996.64, 5,511.03 and 2,721.34 is: 3,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.64 : 5,511.03 = 2,721.34 : x
  2. Step 2: Convert to fraction form
    3,996.64/5,511.03 = 2,721.34/x
  3. Step 3: Cross multiply
    3,996.64x = 5,511.03 × 2,721.34
  4. Step 4: Simplify right side
    3,996.64x = 14,997,386.38
  5. Step 5: Solve for x
    x = 14,997,386.38/3,996.64
  6. Step 6: Final answer
    x = 3,752.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.