Home / 2,263.23-3,121.18-1,553.82

Finding the Fourth Proportional to 2,263.23, 3,121.18 and 1,553.82

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Solution

The fourth proportional to 2,263.23, 3,121.18 and 1,553.82 is: 2,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.23 : 3,121.18 = 1,553.82 : x
  2. Step 2: Convert to fraction form
    2,263.23/3,121.18 = 1,553.82/x
  3. Step 3: Cross multiply
    2,263.23x = 3,121.18 × 1,553.82
  4. Step 4: Simplify right side
    2,263.23x = 4,849,771.39
  5. Step 5: Solve for x
    x = 4,849,771.39/2,263.23
  6. Step 6: Final answer
    x = 2,142.85

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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.