Home / 3,027.28-4,534.80-2,775.28

Finding the Fourth Proportional to 3,027.28, 4,534.80 and 2,775.28

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Solution

The fourth proportional to 3,027.28, 4,534.80 and 2,775.28 is: 4,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.28 : 4,534.80 = 2,775.28 : x
  2. Step 2: Convert to fraction form
    3,027.28/4,534.80 = 2,775.28/x
  3. Step 3: Cross multiply
    3,027.28x = 4,534.80 × 2,775.28
  4. Step 4: Simplify right side
    3,027.28x = 12,585,339.74
  5. Step 5: Solve for x
    x = 12,585,339.74/3,027.28
  6. Step 6: Final answer
    x = 4,157.31

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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.