Home / 4,080.08-5,630.61-2,311.68

Finding the Fourth Proportional to 4,080.08, 5,630.61 and 2,311.68

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Solution

The fourth proportional to 4,080.08, 5,630.61 and 2,311.68 is: 3,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.08 : 5,630.61 = 2,311.68 : x
  2. Step 2: Convert to fraction form
    4,080.08/5,630.61 = 2,311.68/x
  3. Step 3: Cross multiply
    4,080.08x = 5,630.61 × 2,311.68
  4. Step 4: Simplify right side
    4,080.08x = 13,016,168.52
  5. Step 5: Solve for x
    x = 13,016,168.52/4,080.08
  6. Step 6: Final answer
    x = 3,190.18

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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.