Home / 3,447.45-5,162.91-1,885.11

Finding the Fourth Proportional to 3,447.45, 5,162.91 and 1,885.11

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Solution

The fourth proportional to 3,447.45, 5,162.91 and 1,885.11 is: 2,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.45 : 5,162.91 = 1,885.11 : x
  2. Step 2: Convert to fraction form
    3,447.45/5,162.91 = 1,885.11/x
  3. Step 3: Cross multiply
    3,447.45x = 5,162.91 × 1,885.11
  4. Step 4: Simplify right side
    3,447.45x = 9,732,653.27
  5. Step 5: Solve for x
    x = 9,732,653.27/3,447.45
  6. Step 6: Final answer
    x = 2,823.15

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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.