Home / 2,214.56-3,318.18-1,563.98

Finding the Fourth Proportional to 2,214.56, 3,318.18 and 1,563.98

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Solution

The fourth proportional to 2,214.56, 3,318.18 and 1,563.98 is: 2,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.56 : 3,318.18 = 1,563.98 : x
  2. Step 2: Convert to fraction form
    2,214.56/3,318.18 = 1,563.98/x
  3. Step 3: Cross multiply
    2,214.56x = 3,318.18 × 1,563.98
  4. Step 4: Simplify right side
    2,214.56x = 5,189,567.16
  5. Step 5: Solve for x
    x = 5,189,567.16/2,214.56
  6. Step 6: Final answer
    x = 2,343.39

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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.