Home / 3,109.40-4,665.52-1,354.94

Finding the Fourth Proportional to 3,109.40, 4,665.52 and 1,354.94

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Solution

The fourth proportional to 3,109.40, 4,665.52 and 1,354.94 is: 2,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.40 : 4,665.52 = 1,354.94 : x
  2. Step 2: Convert to fraction form
    3,109.40/4,665.52 = 1,354.94/x
  3. Step 3: Cross multiply
    3,109.40x = 4,665.52 × 1,354.94
  4. Step 4: Simplify right side
    3,109.40x = 6,321,499.67
  5. Step 5: Solve for x
    x = 6,321,499.67/3,109.40
  6. Step 6: Final answer
    x = 2,033.03

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1.5x scale

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.