Home / 3,395.98-4,685.05-2,069.20

Finding the Fourth Proportional to 3,395.98, 4,685.05 and 2,069.20

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Solution

The fourth proportional to 3,395.98, 4,685.05 and 2,069.20 is: 2,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.98 : 4,685.05 = 2,069.20 : x
  2. Step 2: Convert to fraction form
    3,395.98/4,685.05 = 2,069.20/x
  3. Step 3: Cross multiply
    3,395.98x = 4,685.05 × 2,069.20
  4. Step 4: Simplify right side
    3,395.98x = 9,694,305.46
  5. Step 5: Solve for x
    x = 9,694,305.46/3,395.98
  6. Step 6: Final answer
    x = 2,854.64

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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.