Home / 3,121.74-4,684.23-2,263.14

Finding the Fourth Proportional to 3,121.74, 4,684.23 and 2,263.14

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Solution

The fourth proportional to 3,121.74, 4,684.23 and 2,263.14 is: 3,395.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121.74 : 4,684.23 = 2,263.14 : x
  2. Step 2: Convert to fraction form
    3,121.74/4,684.23 = 2,263.14/x
  3. Step 3: Cross multiply
    3,121.74x = 4,684.23 × 2,263.14
  4. Step 4: Simplify right side
    3,121.74x = 10,601,068.28
  5. Step 5: Solve for x
    x = 10,601,068.28/3,121.74
  6. Step 6: Final answer
    x = 3,395.88

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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.