Home / 3,349.40-4,619.88-2,020.82

Finding the Fourth Proportional to 3,349.40, 4,619.88 and 2,020.82

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Solution

The fourth proportional to 3,349.40, 4,619.88 and 2,020.82 is: 2,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.40 : 4,619.88 = 2,020.82 : x
  2. Step 2: Convert to fraction form
    3,349.40/4,619.88 = 2,020.82/x
  3. Step 3: Cross multiply
    3,349.40x = 4,619.88 × 2,020.82
  4. Step 4: Simplify right side
    3,349.40x = 9,335,922.80
  5. Step 5: Solve for x
    x = 9,335,922.80/3,349.40
  6. Step 6: Final answer
    x = 2,787.35

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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.