Home / 3,289.00-4,909.51-2,873.81

Finding the Fourth Proportional to 3,289.00, 4,909.51 and 2,873.81

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Solution

The fourth proportional to 3,289.00, 4,909.51 and 2,873.81 is: 4,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.00 : 4,909.51 = 2,873.81 : x
  2. Step 2: Convert to fraction form
    3,289.00/4,909.51 = 2,873.81/x
  3. Step 3: Cross multiply
    3,289.00x = 4,909.51 × 2,873.81
  4. Step 4: Simplify right side
    3,289.00x = 14,109,014.05
  5. Step 5: Solve for x
    x = 14,109,014.05/3,289.00
  6. Step 6: Final answer
    x = 4,289.75

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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.