Home / 3,000.90-4,502.37-2,709.75

Finding the Fourth Proportional to 3,000.90, 4,502.37 and 2,709.75

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Solution

The fourth proportional to 3,000.90, 4,502.37 and 2,709.75 is: 4,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.90 : 4,502.37 = 2,709.75 : x
  2. Step 2: Convert to fraction form
    3,000.90/4,502.37 = 2,709.75/x
  3. Step 3: Cross multiply
    3,000.90x = 4,502.37 × 2,709.75
  4. Step 4: Simplify right side
    3,000.90x = 12,200,297.11
  5. Step 5: Solve for x
    x = 12,200,297.11/3,000.90
  6. Step 6: Final answer
    x = 4,065.55

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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.