Home / 2,518.18-3,777.81-1,056.49

Finding the Fourth Proportional to 2,518.18, 3,777.81 and 1,056.49

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Solution

The fourth proportional to 2,518.18, 3,777.81 and 1,056.49 is: 1,584.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.18 : 3,777.81 = 1,056.49 : x
  2. Step 2: Convert to fraction form
    2,518.18/3,777.81 = 1,056.49/x
  3. Step 3: Cross multiply
    2,518.18x = 3,777.81 × 1,056.49
  4. Step 4: Simplify right side
    2,518.18x = 3,991,218.49
  5. Step 5: Solve for x
    x = 3,991,218.49/2,518.18
  6. Step 6: Final answer
    x = 1,584.96

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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.