Home / 2,052.29-3,079.15-1,126.67

Finding the Fourth Proportional to 2,052.29, 3,079.15 and 1,126.67

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Solution

The fourth proportional to 2,052.29, 3,079.15 and 1,126.67 is: 1,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.29 : 3,079.15 = 1,126.67 : x
  2. Step 2: Convert to fraction form
    2,052.29/3,079.15 = 1,126.67/x
  3. Step 3: Cross multiply
    2,052.29x = 3,079.15 × 1,126.67
  4. Step 4: Simplify right side
    2,052.29x = 3,469,167.72
  5. Step 5: Solve for x
    x = 3,469,167.72/2,052.29
  6. Step 6: Final answer
    x = 1,690.39

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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.