Home / 3,869.43-5,806.58-1,648.26

Finding the Fourth Proportional to 3,869.43, 5,806.58 and 1,648.26

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Solution

The fourth proportional to 3,869.43, 5,806.58 and 1,648.26 is: 2,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.43 : 5,806.58 = 1,648.26 : x
  2. Step 2: Convert to fraction form
    3,869.43/5,806.58 = 1,648.26/x
  3. Step 3: Cross multiply
    3,869.43x = 5,806.58 × 1,648.26
  4. Step 4: Simplify right side
    3,869.43x = 9,570,753.55
  5. Step 5: Solve for x
    x = 9,570,753.55/3,869.43
  6. Step 6: Final answer
    x = 2,473.43

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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.