Home / 2,293.23-3,439.86-561.87

Finding the Fourth Proportional to 2,293.23, 3,439.86 and 561.87

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Solution

The fourth proportional to 2,293.23, 3,439.86 and 561.87 is: 842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.23 : 3,439.86 = 561.87 : x
  2. Step 2: Convert to fraction form
    2,293.23/3,439.86 = 561.87/x
  3. Step 3: Cross multiply
    2,293.23x = 3,439.86 × 561.87
  4. Step 4: Simplify right side
    2,293.23x = 1,932,754.14
  5. Step 5: Solve for x
    x = 1,932,754.14/2,293.23
  6. Step 6: Final answer
    x = 842.81

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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.