Home / 3,584.08-4,946.18-1,990.62

Finding the Fourth Proportional to 3,584.08, 4,946.18 and 1,990.62

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Solution

The fourth proportional to 3,584.08, 4,946.18 and 1,990.62 is: 2,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.08 : 4,946.18 = 1,990.62 : x
  2. Step 2: Convert to fraction form
    3,584.08/4,946.18 = 1,990.62/x
  3. Step 3: Cross multiply
    3,584.08x = 4,946.18 × 1,990.62
  4. Step 4: Simplify right side
    3,584.08x = 9,845,964.83
  5. Step 5: Solve for x
    x = 9,845,964.83/3,584.08
  6. Step 6: Final answer
    x = 2,747.14

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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.