Home / 2,254.12-3,110.94-1,369.84

Finding the Fourth Proportional to 2,254.12, 3,110.94 and 1,369.84

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Solution

The fourth proportional to 2,254.12, 3,110.94 and 1,369.84 is: 1,890.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.12 : 3,110.94 = 1,369.84 : x
  2. Step 2: Convert to fraction form
    2,254.12/3,110.94 = 1,369.84/x
  3. Step 3: Cross multiply
    2,254.12x = 3,110.94 × 1,369.84
  4. Step 4: Simplify right side
    2,254.12x = 4,261,490.05
  5. Step 5: Solve for x
    x = 4,261,490.05/2,254.12
  6. Step 6: Final answer
    x = 1,890.53

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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.