Home / 3,635.03-5,015.74-2,142.74

Finding the Fourth Proportional to 3,635.03, 5,015.74 and 2,142.74

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Solution

The fourth proportional to 3,635.03, 5,015.74 and 2,142.74 is: 2,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.03 : 5,015.74 = 2,142.74 : x
  2. Step 2: Convert to fraction form
    3,635.03/5,015.74 = 2,142.74/x
  3. Step 3: Cross multiply
    3,635.03x = 5,015.74 × 2,142.74
  4. Step 4: Simplify right side
    3,635.03x = 10,747,428.55
  5. Step 5: Solve for x
    x = 10,747,428.55/3,635.03
  6. Step 6: Final answer
    x = 2,956.63

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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.