Home / 4,080.16-5,630.66-2,311.72

Finding the Fourth Proportional to 4,080.16, 5,630.66 and 2,311.72

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Solution

The fourth proportional to 4,080.16, 5,630.66 and 2,311.72 is: 3,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.16 : 5,630.66 = 2,311.72 : x
  2. Step 2: Convert to fraction form
    4,080.16/5,630.66 = 2,311.72/x
  3. Step 3: Cross multiply
    4,080.16x = 5,630.66 × 2,311.72
  4. Step 4: Simplify right side
    4,080.16x = 13,016,509.34
  5. Step 5: Solve for x
    x = 13,016,509.34/4,080.16
  6. Step 6: Final answer
    x = 3,190.20

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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.