Home / 1,211.32-1,817.34-562.60

Finding the Fourth Proportional to 1,211.32, 1,817.34 and 562.60

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Solution

The fourth proportional to 1,211.32, 1,817.34 and 562.60 is: 844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211.32 : 1,817.34 = 562.60 : x
  2. Step 2: Convert to fraction form
    1,211.32/1,817.34 = 562.60/x
  3. Step 3: Cross multiply
    1,211.32x = 1,817.34 × 562.60
  4. Step 4: Simplify right side
    1,211.32x = 1,022,435.48
  5. Step 5: Solve for x
    x = 1,022,435.48/1,211.32
  6. Step 6: Final answer
    x = 844.07

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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.