Home / 3,289.32-4,933.26-2,117.64

Finding the Fourth Proportional to 3,289.32, 4,933.26 and 2,117.64

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Solution

The fourth proportional to 3,289.32, 4,933.26 and 2,117.64 is: 3,176.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.32 : 4,933.26 = 2,117.64 : x
  2. Step 2: Convert to fraction form
    3,289.32/4,933.26 = 2,117.64/x
  3. Step 3: Cross multiply
    3,289.32x = 4,933.26 × 2,117.64
  4. Step 4: Simplify right side
    3,289.32x = 10,446,868.71
  5. Step 5: Solve for x
    x = 10,446,868.71/3,289.32
  6. Step 6: Final answer
    x = 3,176.00

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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.