Home / 2,712.72-4,060.98-2,666.28

Finding the Fourth Proportional to 2,712.72, 4,060.98 and 2,666.28

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Solution

The fourth proportional to 2,712.72, 4,060.98 and 2,666.28 is: 3,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.72 : 4,060.98 = 2,666.28 : x
  2. Step 2: Convert to fraction form
    2,712.72/4,060.98 = 2,666.28/x
  3. Step 3: Cross multiply
    2,712.72x = 4,060.98 × 2,666.28
  4. Step 4: Simplify right side
    2,712.72x = 10,827,709.75
  5. Step 5: Solve for x
    x = 10,827,709.75/2,712.72
  6. Step 6: Final answer
    x = 3,991.46

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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.