Home / 3,489.23-4,815.17-1,895.88

Finding the Fourth Proportional to 3,489.23, 4,815.17 and 1,895.88

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Solution

The fourth proportional to 3,489.23, 4,815.17 and 1,895.88 is: 2,616.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.23 : 4,815.17 = 1,895.88 : x
  2. Step 2: Convert to fraction form
    3,489.23/4,815.17 = 1,895.88/x
  3. Step 3: Cross multiply
    3,489.23x = 4,815.17 × 1,895.88
  4. Step 4: Simplify right side
    3,489.23x = 9,128,975.02
  5. Step 5: Solve for x
    x = 9,128,975.02/3,489.23
  6. Step 6: Final answer
    x = 2,616.33

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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.