Home / 3,873.29-5,800.70-2,115.67

Finding the Fourth Proportional to 3,873.29, 5,800.70 and 2,115.67

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Solution

The fourth proportional to 3,873.29, 5,800.70 and 2,115.67 is: 3,168.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.29 : 5,800.70 = 2,115.67 : x
  2. Step 2: Convert to fraction form
    3,873.29/5,800.70 = 2,115.67/x
  3. Step 3: Cross multiply
    3,873.29x = 5,800.70 × 2,115.67
  4. Step 4: Simplify right side
    3,873.29x = 12,272,356.73
  5. Step 5: Solve for x
    x = 12,272,356.73/3,873.29
  6. Step 6: Final answer
    x = 3,168.46

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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.