Home / 2,775.85-4,165.41-1,022.08

Finding the Fourth Proportional to 2,775.85, 4,165.41 and 1,022.08

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Solution

The fourth proportional to 2,775.85, 4,165.41 and 1,022.08 is: 1,533.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.85 : 4,165.41 = 1,022.08 : x
  2. Step 2: Convert to fraction form
    2,775.85/4,165.41 = 1,022.08/x
  3. Step 3: Cross multiply
    2,775.85x = 4,165.41 × 1,022.08
  4. Step 4: Simplify right side
    2,775.85x = 4,257,382.25
  5. Step 5: Solve for x
    x = 4,257,382.25/2,775.85
  6. Step 6: Final answer
    x = 1,533.72

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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.