Home / 4,079.27-5,629.28-2,311.04

Finding the Fourth Proportional to 4,079.27, 5,629.28 and 2,311.04

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Solution

The fourth proportional to 4,079.27, 5,629.28 and 2,311.04 is: 3,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.27 : 5,629.28 = 2,311.04 : x
  2. Step 2: Convert to fraction form
    4,079.27/5,629.28 = 2,311.04/x
  3. Step 3: Cross multiply
    4,079.27x = 5,629.28 × 2,311.04
  4. Step 4: Simplify right side
    4,079.27x = 13,009,451.55
  5. Step 5: Solve for x
    x = 13,009,451.55/4,079.27
  6. Step 6: Final answer
    x = 3,189.17

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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.