Home / 3,304.50-4,560.21-1,978.41

Finding the Fourth Proportional to 3,304.50, 4,560.21 and 1,978.41

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Solution

The fourth proportional to 3,304.50, 4,560.21 and 1,978.41 is: 2,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.50 : 4,560.21 = 1,978.41 : x
  2. Step 2: Convert to fraction form
    3,304.50/4,560.21 = 1,978.41/x
  3. Step 3: Cross multiply
    3,304.50x = 4,560.21 × 1,978.41
  4. Step 4: Simplify right side
    3,304.50x = 9,021,965.07
  5. Step 5: Solve for x
    x = 9,021,965.07/3,304.50
  6. Step 6: Final answer
    x = 2,730.21

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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.