Home / 2,289.26-3,158.52-1,294.58

Finding the Fourth Proportional to 2,289.26, 3,158.52 and 1,294.58

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Solution

The fourth proportional to 2,289.26, 3,158.52 and 1,294.58 is: 1,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.26 : 3,158.52 = 1,294.58 : x
  2. Step 2: Convert to fraction form
    2,289.26/3,158.52 = 1,294.58/x
  3. Step 3: Cross multiply
    2,289.26x = 3,158.52 × 1,294.58
  4. Step 4: Simplify right side
    2,289.26x = 4,088,956.82
  5. Step 5: Solve for x
    x = 4,088,956.82/2,289.26
  6. Step 6: Final answer
    x = 1,786.15

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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.