Home / 3,274.21-4,899.16-1,976.59

Finding the Fourth Proportional to 3,274.21, 4,899.16 and 1,976.59

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Solution

The fourth proportional to 3,274.21, 4,899.16 and 1,976.59 is: 2,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.21 : 4,899.16 = 1,976.59 : x
  2. Step 2: Convert to fraction form
    3,274.21/4,899.16 = 1,976.59/x
  3. Step 3: Cross multiply
    3,274.21x = 4,899.16 × 1,976.59
  4. Step 4: Simplify right side
    3,274.21x = 9,683,630.66
  5. Step 5: Solve for x
    x = 9,683,630.66/3,274.21
  6. Step 6: Final answer
    x = 2,957.55

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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.