Home / 2,293.16-3,437.46-905.68

Finding the Fourth Proportional to 2,293.16, 3,437.46 and 905.68

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Solution

The fourth proportional to 2,293.16, 3,437.46 and 905.68 is: 1,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.16 : 3,437.46 = 905.68 : x
  2. Step 2: Convert to fraction form
    2,293.16/3,437.46 = 905.68/x
  3. Step 3: Cross multiply
    2,293.16x = 3,437.46 × 905.68
  4. Step 4: Simplify right side
    2,293.16x = 3,113,238.77
  5. Step 5: Solve for x
    x = 3,113,238.77/2,293.16
  6. Step 6: Final answer
    x = 1,357.62

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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.