Home / 2,784.81-4,179.21-2,056.35

Finding the Fourth Proportional to 2,784.81, 4,179.21 and 2,056.35

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Solution

The fourth proportional to 2,784.81, 4,179.21 and 2,056.35 is: 3,086.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.81 : 4,179.21 = 2,056.35 : x
  2. Step 2: Convert to fraction form
    2,784.81/4,179.21 = 2,056.35/x
  3. Step 3: Cross multiply
    2,784.81x = 4,179.21 × 2,056.35
  4. Step 4: Simplify right side
    2,784.81x = 8,593,918.48
  5. Step 5: Solve for x
    x = 8,593,918.48/2,784.81
  6. Step 6: Final answer
    x = 3,086.00

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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.