Home / 2,211.18-3,313.53-1,563.18

Finding the Fourth Proportional to 2,211.18, 3,313.53 and 1,563.18

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Solution

The fourth proportional to 2,211.18, 3,313.53 and 1,563.18 is: 2,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.18 : 3,313.53 = 1,563.18 : x
  2. Step 2: Convert to fraction form
    2,211.18/3,313.53 = 1,563.18/x
  3. Step 3: Cross multiply
    2,211.18x = 3,313.53 × 1,563.18
  4. Step 4: Simplify right side
    2,211.18x = 5,179,643.83
  5. Step 5: Solve for x
    x = 5,179,643.83/2,211.18
  6. Step 6: Final answer
    x = 2,342.48

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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.