Home / 3,584.43-4,946.35-1,991.18

Finding the Fourth Proportional to 3,584.43, 4,946.35 and 1,991.18

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Solution

The fourth proportional to 3,584.43, 4,946.35 and 1,991.18 is: 2,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.43 : 4,946.35 = 1,991.18 : x
  2. Step 2: Convert to fraction form
    3,584.43/4,946.35 = 1,991.18/x
  3. Step 3: Cross multiply
    3,584.43x = 4,946.35 × 1,991.18
  4. Step 4: Simplify right side
    3,584.43x = 9,849,063.24
  5. Step 5: Solve for x
    x = 9,849,063.24/3,584.43
  6. Step 6: Final answer
    x = 2,747.74

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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.