Home / 3,294.80-4,546.42-1,878.28

Finding the Fourth Proportional to 3,294.80, 4,546.42 and 1,878.28

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Solution

The fourth proportional to 3,294.80, 4,546.42 and 1,878.28 is: 2,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.80 : 4,546.42 = 1,878.28 : x
  2. Step 2: Convert to fraction form
    3,294.80/4,546.42 = 1,878.28/x
  3. Step 3: Cross multiply
    3,294.80x = 4,546.42 × 1,878.28
  4. Step 4: Simplify right side
    3,294.80x = 8,539,449.76
  5. Step 5: Solve for x
    x = 8,539,449.76/3,294.80
  6. Step 6: Final answer
    x = 2,591.80

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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.