Home / 2,253.81-3,110.26-1,369.44

Finding the Fourth Proportional to 2,253.81, 3,110.26 and 1,369.44

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Solution

The fourth proportional to 2,253.81, 3,110.26 and 1,369.44 is: 1,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.81 : 3,110.26 = 1,369.44 : x
  2. Step 2: Convert to fraction form
    2,253.81/3,110.26 = 1,369.44/x
  3. Step 3: Cross multiply
    2,253.81x = 3,110.26 × 1,369.44
  4. Step 4: Simplify right side
    2,253.81x = 4,259,314.45
  5. Step 5: Solve for x
    x = 4,259,314.45/2,253.81
  6. Step 6: Final answer
    x = 1,889.83

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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.