Home / 2,250.39-3,105.77-1,366.28

Finding the Fourth Proportional to 2,250.39, 3,105.77 and 1,366.28

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Solution

The fourth proportional to 2,250.39, 3,105.77 and 1,366.28 is: 1,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.39 : 3,105.77 = 1,366.28 : x
  2. Step 2: Convert to fraction form
    2,250.39/3,105.77 = 1,366.28/x
  3. Step 3: Cross multiply
    2,250.39x = 3,105.77 × 1,366.28
  4. Step 4: Simplify right side
    2,250.39x = 4,243,329.08
  5. Step 5: Solve for x
    x = 4,243,329.08/2,250.39
  6. Step 6: Final answer
    x = 1,885.60

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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.