Home / 2,665.11-3,999.29-2,444.79

Finding the Fourth Proportional to 2,665.11, 3,999.29 and 2,444.79

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Solution

The fourth proportional to 2,665.11, 3,999.29 and 2,444.79 is: 3,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.11 : 3,999.29 = 2,444.79 : x
  2. Step 2: Convert to fraction form
    2,665.11/3,999.29 = 2,444.79/x
  3. Step 3: Cross multiply
    2,665.11x = 3,999.29 × 2,444.79
  4. Step 4: Simplify right side
    2,665.11x = 9,777,411.98
  5. Step 5: Solve for x
    x = 9,777,411.98/2,665.11
  6. Step 6: Final answer
    x = 3,668.67

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1.5x scale

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.