Home / 2,289.75-3,434.38-1,554.09

Finding the Fourth Proportional to 2,289.75, 3,434.38 and 1,554.09

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Solution

The fourth proportional to 2,289.75, 3,434.38 and 1,554.09 is: 2,330.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.75 : 3,434.38 = 1,554.09 : x
  2. Step 2: Convert to fraction form
    2,289.75/3,434.38 = 1,554.09/x
  3. Step 3: Cross multiply
    2,289.75x = 3,434.38 × 1,554.09
  4. Step 4: Simplify right side
    2,289.75x = 5,337,318.85
  5. Step 5: Solve for x
    x = 5,337,318.85/2,289.75
  6. Step 6: Final answer
    x = 2,330.97

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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.