Home / 3,752.29-5,178.12-2,073.69

Finding the Fourth Proportional to 3,752.29, 5,178.12 and 2,073.69

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Solution

The fourth proportional to 3,752.29, 5,178.12 and 2,073.69 is: 2,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.29 : 5,178.12 = 2,073.69 : x
  2. Step 2: Convert to fraction form
    3,752.29/5,178.12 = 2,073.69/x
  3. Step 3: Cross multiply
    3,752.29x = 5,178.12 × 2,073.69
  4. Step 4: Simplify right side
    3,752.29x = 10,737,815.66
  5. Step 5: Solve for x
    x = 10,737,815.66/3,752.29
  6. Step 6: Final answer
    x = 2,861.67

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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.