Home / 4,079.67-5,630.16-2,311.62

Finding the Fourth Proportional to 4,079.67, 5,630.16 and 2,311.62

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Solution

The fourth proportional to 4,079.67, 5,630.16 and 2,311.62 is: 3,190.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.67 : 5,630.16 = 2,311.62 : x
  2. Step 2: Convert to fraction form
    4,079.67/5,630.16 = 2,311.62/x
  3. Step 3: Cross multiply
    4,079.67x = 5,630.16 × 2,311.62
  4. Step 4: Simplify right side
    4,079.67x = 13,014,790.46
  5. Step 5: Solve for x
    x = 13,014,790.46/4,079.67
  6. Step 6: Final answer
    x = 3,190.16

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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.