Home / 3,736.98-5,157.95-2,165.99

Finding the Fourth Proportional to 3,736.98, 5,157.95 and 2,165.99

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Solution

The fourth proportional to 3,736.98, 5,157.95 and 2,165.99 is: 2,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.98 : 5,157.95 = 2,165.99 : x
  2. Step 2: Convert to fraction form
    3,736.98/5,157.95 = 2,165.99/x
  3. Step 3: Cross multiply
    3,736.98x = 5,157.95 × 2,165.99
  4. Step 4: Simplify right side
    3,736.98x = 11,172,031.50
  5. Step 5: Solve for x
    x = 11,172,031.50/3,736.98
  6. Step 6: Final answer
    x = 2,989.59

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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.