Home / 3,217.16-4,436.58-2,745.32

Finding the Fourth Proportional to 3,217.16, 4,436.58 and 2,745.32

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Solution

The fourth proportional to 3,217.16, 4,436.58 and 2,745.32 is: 3,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.16 : 4,436.58 = 2,745.32 : x
  2. Step 2: Convert to fraction form
    3,217.16/4,436.58 = 2,745.32/x
  3. Step 3: Cross multiply
    3,217.16x = 4,436.58 × 2,745.32
  4. Step 4: Simplify right side
    3,217.16x = 12,179,831.81
  5. Step 5: Solve for x
    x = 12,179,831.81/3,217.16
  6. Step 6: Final answer
    x = 3,785.90

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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.