Home / 3,010.64-4,155.72-2,311.12

Finding the Fourth Proportional to 3,010.64, 4,155.72 and 2,311.12

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Solution

The fourth proportional to 3,010.64, 4,155.72 and 2,311.12 is: 3,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.64 : 4,155.72 = 2,311.12 : x
  2. Step 2: Convert to fraction form
    3,010.64/4,155.72 = 2,311.12/x
  3. Step 3: Cross multiply
    3,010.64x = 4,155.72 × 2,311.12
  4. Step 4: Simplify right side
    3,010.64x = 9,604,367.61
  5. Step 5: Solve for x
    x = 9,604,367.61/3,010.64
  6. Step 6: Final answer
    x = 3,190.14

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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.