Home / 2,214.70-3,054.96-1,318.12

Finding the Fourth Proportional to 2,214.70, 3,054.96 and 1,318.12

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Solution

The fourth proportional to 2,214.70, 3,054.96 and 1,318.12 is: 1,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.70 : 3,054.96 = 1,318.12 : x
  2. Step 2: Convert to fraction form
    2,214.70/3,054.96 = 1,318.12/x
  3. Step 3: Cross multiply
    2,214.70x = 3,054.96 × 1,318.12
  4. Step 4: Simplify right side
    2,214.70x = 4,026,803.88
  5. Step 5: Solve for x
    x = 4,026,803.88/2,214.70
  6. Step 6: Final answer
    x = 1,818.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.