Home / 3,856.50-5,783.76-1,082.46

Finding the Fourth Proportional to 3,856.50, 5,783.76 and 1,082.46

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Solution

The fourth proportional to 3,856.50, 5,783.76 and 1,082.46 is: 1,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.50 : 5,783.76 = 1,082.46 : x
  2. Step 2: Convert to fraction form
    3,856.50/5,783.76 = 1,082.46/x
  3. Step 3: Cross multiply
    3,856.50x = 5,783.76 × 1,082.46
  4. Step 4: Simplify right side
    3,856.50x = 6,260,688.85
  5. Step 5: Solve for x
    x = 6,260,688.85/3,856.50
  6. Step 6: Final answer
    x = 1,623.41

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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.