Home / 2,236.13-3,085.39-1,351.76

Finding the Fourth Proportional to 2,236.13, 3,085.39 and 1,351.76

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Solution

The fourth proportional to 2,236.13, 3,085.39 and 1,351.76 is: 1,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.13 : 3,085.39 = 1,351.76 : x
  2. Step 2: Convert to fraction form
    2,236.13/3,085.39 = 1,351.76/x
  3. Step 3: Cross multiply
    2,236.13x = 3,085.39 × 1,351.76
  4. Step 4: Simplify right side
    2,236.13x = 4,170,706.79
  5. Step 5: Solve for x
    x = 4,170,706.79/2,236.13
  6. Step 6: Final answer
    x = 1,865.15

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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.