Home / 3,216.82-4,790.63-3,107.46

Finding the Fourth Proportional to 3,216.82, 4,790.63 and 3,107.46

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Solution

The fourth proportional to 3,216.82, 4,790.63 and 3,107.46 is: 4,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.82 : 4,790.63 = 3,107.46 : x
  2. Step 2: Convert to fraction form
    3,216.82/4,790.63 = 3,107.46/x
  3. Step 3: Cross multiply
    3,216.82x = 4,790.63 × 3,107.46
  4. Step 4: Simplify right side
    3,216.82x = 14,886,691.10
  5. Step 5: Solve for x
    x = 14,886,691.10/3,216.82
  6. Step 6: Final answer
    x = 4,627.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.