Home / 2,214.87-3,056.25-1,270.61

Finding the Fourth Proportional to 2,214.87, 3,056.25 and 1,270.61

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Solution

The fourth proportional to 2,214.87, 3,056.25 and 1,270.61 is: 1,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.87 : 3,056.25 = 1,270.61 : x
  2. Step 2: Convert to fraction form
    2,214.87/3,056.25 = 1,270.61/x
  3. Step 3: Cross multiply
    2,214.87x = 3,056.25 × 1,270.61
  4. Step 4: Simplify right side
    2,214.87x = 3,883,280.18
  5. Step 5: Solve for x
    x = 3,883,280.18/2,214.87
  6. Step 6: Final answer
    x = 1,753.28

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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.