Home / 2,778.58-4,165.14-1,023.16

Finding the Fourth Proportional to 2,778.58, 4,165.14 and 1,023.16

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Solution

The fourth proportional to 2,778.58, 4,165.14 and 1,023.16 is: 1,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.58 : 4,165.14 = 1,023.16 : x
  2. Step 2: Convert to fraction form
    2,778.58/4,165.14 = 1,023.16/x
  3. Step 3: Cross multiply
    2,778.58x = 4,165.14 × 1,023.16
  4. Step 4: Simplify right side
    2,778.58x = 4,261,604.64
  5. Step 5: Solve for x
    x = 4,261,604.64/2,778.58
  6. Step 6: Final answer
    x = 1,533.73

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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.