Home / 3,816.84-5,720.52-2,174.16

Finding the Fourth Proportional to 3,816.84, 5,720.52 and 2,174.16

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Solution

The fourth proportional to 3,816.84, 5,720.52 and 2,174.16 is: 3,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.84 : 5,720.52 = 2,174.16 : x
  2. Step 2: Convert to fraction form
    3,816.84/5,720.52 = 2,174.16/x
  3. Step 3: Cross multiply
    3,816.84x = 5,720.52 × 2,174.16
  4. Step 4: Simplify right side
    3,816.84x = 12,437,325.76
  5. Step 5: Solve for x
    x = 12,437,325.76/3,816.84
  6. Step 6: Final answer
    x = 3,258.54

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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.