Home / 3,091.40-4,264.26-2,043.80

Finding the Fourth Proportional to 3,091.40, 4,264.26 and 2,043.80

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Solution

The fourth proportional to 3,091.40, 4,264.26 and 2,043.80 is: 2,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.40 : 4,264.26 = 2,043.80 : x
  2. Step 2: Convert to fraction form
    3,091.40/4,264.26 = 2,043.80/x
  3. Step 3: Cross multiply
    3,091.40x = 4,264.26 × 2,043.80
  4. Step 4: Simplify right side
    3,091.40x = 8,715,294.59
  5. Step 5: Solve for x
    x = 8,715,294.59/3,091.40
  6. Step 6: Final answer
    x = 2,819.21

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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.