Home / 3,090.94-4,269.21-2,250.29

Finding the Fourth Proportional to 3,090.94, 4,269.21 and 2,250.29

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Solution

The fourth proportional to 3,090.94, 4,269.21 and 2,250.29 is: 3,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.94 : 4,269.21 = 2,250.29 : x
  2. Step 2: Convert to fraction form
    3,090.94/4,269.21 = 2,250.29/x
  3. Step 3: Cross multiply
    3,090.94x = 4,269.21 × 2,250.29
  4. Step 4: Simplify right side
    3,090.94x = 9,606,960.57
  5. Step 5: Solve for x
    x = 9,606,960.57/3,090.94
  6. Step 6: Final answer
    x = 3,108.10

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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.