Home / 2,311.26-3,470.40-2,236.47

Finding the Fourth Proportional to 2,311.26, 3,470.40 and 2,236.47

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Solution

The fourth proportional to 2,311.26, 3,470.40 and 2,236.47 is: 3,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.26 : 3,470.40 = 2,236.47 : x
  2. Step 2: Convert to fraction form
    2,311.26/3,470.40 = 2,236.47/x
  3. Step 3: Cross multiply
    2,311.26x = 3,470.40 × 2,236.47
  4. Step 4: Simplify right side
    2,311.26x = 7,761,445.49
  5. Step 5: Solve for x
    x = 7,761,445.49/2,311.26
  6. Step 6: Final answer
    x = 3,358.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.