Home / 2,827.28-4,216.07-2,764.50

Finding the Fourth Proportional to 2,827.28, 4,216.07 and 2,764.50

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Solution

The fourth proportional to 2,827.28, 4,216.07 and 2,764.50 is: 4,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.28 : 4,216.07 = 2,764.50 : x
  2. Step 2: Convert to fraction form
    2,827.28/4,216.07 = 2,764.50/x
  3. Step 3: Cross multiply
    2,827.28x = 4,216.07 × 2,764.50
  4. Step 4: Simplify right side
    2,827.28x = 11,655,311.69
  5. Step 5: Solve for x
    x = 11,655,311.69/2,827.28
  6. Step 6: Final answer
    x = 4,122.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.