Home / 3,348.40-5,022.60-2,805.70

Finding the Fourth Proportional to 3,348.40, 5,022.60 and 2,805.70

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Solution

The fourth proportional to 3,348.40, 5,022.60 and 2,805.70 is: 4,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.40 : 5,022.60 = 2,805.70 : x
  2. Step 2: Convert to fraction form
    3,348.40/5,022.60 = 2,805.70/x
  3. Step 3: Cross multiply
    3,348.40x = 5,022.60 × 2,805.70
  4. Step 4: Simplify right side
    3,348.40x = 14,091,908.82
  5. Step 5: Solve for x
    x = 14,091,908.82/3,348.40
  6. Step 6: Final answer
    x = 4,208.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.