Home / 3,090.11-4,265.14-1,910.49

Finding the Fourth Proportional to 3,090.11, 4,265.14 and 1,910.49

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Solution

The fourth proportional to 3,090.11, 4,265.14 and 1,910.49 is: 2,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.11 : 4,265.14 = 1,910.49 : x
  2. Step 2: Convert to fraction form
    3,090.11/4,265.14 = 1,910.49/x
  3. Step 3: Cross multiply
    3,090.11x = 4,265.14 × 1,910.49
  4. Step 4: Simplify right side
    3,090.11x = 8,148,485.99
  5. Step 5: Solve for x
    x = 8,148,485.99/3,090.11
  6. Step 6: Final answer
    x = 2,636.96

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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.