Home / 4,311.87-5,952.81-2,821.32

Finding the Fourth Proportional to 4,311.87, 5,952.81 and 2,821.32

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Solution

The fourth proportional to 4,311.87, 5,952.81 and 2,821.32 is: 3,895.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.87 : 5,952.81 = 2,821.32 : x
  2. Step 2: Convert to fraction form
    4,311.87/5,952.81 = 2,821.32/x
  3. Step 3: Cross multiply
    4,311.87x = 5,952.81 × 2,821.32
  4. Step 4: Simplify right side
    4,311.87x = 16,794,781.91
  5. Step 5: Solve for x
    x = 16,794,781.91/4,311.87
  6. Step 6: Final answer
    x = 3,895.01

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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.