Home / 2,351.26-3,244.73-1,289.04

Finding the Fourth Proportional to 2,351.26, 3,244.73 and 1,289.04

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Solution

The fourth proportional to 2,351.26, 3,244.73 and 1,289.04 is: 1,778.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.26 : 3,244.73 = 1,289.04 : x
  2. Step 2: Convert to fraction form
    2,351.26/3,244.73 = 1,289.04/x
  3. Step 3: Cross multiply
    2,351.26x = 3,244.73 × 1,289.04
  4. Step 4: Simplify right side
    2,351.26x = 4,182,586.76
  5. Step 5: Solve for x
    x = 4,182,586.76/2,351.26
  6. Step 6: Final answer
    x = 1,778.87

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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.