Home / 2,293.20-3,439.76-561.84

Finding the Fourth Proportional to 2,293.20, 3,439.76 and 561.84

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Solution

The fourth proportional to 2,293.20, 3,439.76 and 561.84 is: 842.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.20 : 3,439.76 = 561.84 : x
  2. Step 2: Convert to fraction form
    2,293.20/3,439.76 = 561.84/x
  3. Step 3: Cross multiply
    2,293.20x = 3,439.76 × 561.84
  4. Step 4: Simplify right side
    2,293.20x = 1,932,594.76
  5. Step 5: Solve for x
    x = 1,932,594.76/2,293.20
  6. Step 6: Final answer
    x = 842.75

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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.