Home / 3,742.74-5,165.78-2,149.67

Finding the Fourth Proportional to 3,742.74, 5,165.78 and 2,149.67

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Solution

The fourth proportional to 3,742.74, 5,165.78 and 2,149.67 is: 2,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.74 : 5,165.78 = 2,149.67 : x
  2. Step 2: Convert to fraction form
    3,742.74/5,165.78 = 2,149.67/x
  3. Step 3: Cross multiply
    3,742.74x = 5,165.78 × 2,149.67
  4. Step 4: Simplify right side
    3,742.74x = 11,104,724.46
  5. Step 5: Solve for x
    x = 11,104,724.46/3,742.74
  6. Step 6: Final answer
    x = 2,967.00

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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.