Home / 3,056.14-4,216.50-2,111.98

Finding the Fourth Proportional to 3,056.14, 4,216.50 and 2,111.98

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Solution

The fourth proportional to 3,056.14, 4,216.50 and 2,111.98 is: 2,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.14 : 4,216.50 = 2,111.98 : x
  2. Step 2: Convert to fraction form
    3,056.14/4,216.50 = 2,111.98/x
  3. Step 3: Cross multiply
    3,056.14x = 4,216.50 × 2,111.98
  4. Step 4: Simplify right side
    3,056.14x = 8,905,153.13
  5. Step 5: Solve for x
    x = 8,905,153.13/3,056.14
  6. Step 6: Final answer
    x = 2,913.86

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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.