Home / 4,079.16-5,629.58-2,311.08

Finding the Fourth Proportional to 4,079.16, 5,629.58 and 2,311.08

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Solution

The fourth proportional to 4,079.16, 5,629.58 and 2,311.08 is: 3,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.16 : 5,629.58 = 2,311.08 : x
  2. Step 2: Convert to fraction form
    4,079.16/5,629.58 = 2,311.08/x
  3. Step 3: Cross multiply
    4,079.16x = 5,629.58 × 2,311.08
  4. Step 4: Simplify right side
    4,079.16x = 13,010,409.75
  5. Step 5: Solve for x
    x = 13,010,409.75/4,079.16
  6. Step 6: Final answer
    x = 3,189.48

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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.