Home / 3,289.18-4,529.84-3,278.93

Finding the Fourth Proportional to 3,289.18, 4,529.84 and 3,278.93

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Solution

The fourth proportional to 3,289.18, 4,529.84 and 3,278.93 is: 4,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.18 : 4,529.84 = 3,278.93 : x
  2. Step 2: Convert to fraction form
    3,289.18/4,529.84 = 3,278.93/x
  3. Step 3: Cross multiply
    3,289.18x = 4,529.84 × 3,278.93
  4. Step 4: Simplify right side
    3,289.18x = 14,853,028.27
  5. Step 5: Solve for x
    x = 14,853,028.27/3,289.18
  6. Step 6: Final answer
    x = 4,515.72

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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.