Home / 3,091.11-4,265.74-1,674.80

Finding the Fourth Proportional to 3,091.11, 4,265.74 and 1,674.80

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Solution

The fourth proportional to 3,091.11, 4,265.74 and 1,674.80 is: 2,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.11 : 4,265.74 = 1,674.80 : x
  2. Step 2: Convert to fraction form
    3,091.11/4,265.74 = 1,674.80/x
  3. Step 3: Cross multiply
    3,091.11x = 4,265.74 × 1,674.80
  4. Step 4: Simplify right side
    3,091.11x = 7,144,261.35
  5. Step 5: Solve for x
    x = 7,144,261.35/3,091.11
  6. Step 6: Final answer
    x = 2,311.23

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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.