Home / 2,775.30-4,163-1,550.51

Finding the Fourth Proportional to 2,775.30, 4,163 and 1,550.51

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Solution

The fourth proportional to 2,775.30, 4,163 and 1,550.51 is: 2,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.30 : 4,163 = 1,550.51 : x
  2. Step 2: Convert to fraction form
    2,775.30/4,163 = 1,550.51/x
  3. Step 3: Cross multiply
    2,775.30x = 4,163 × 1,550.51
  4. Step 4: Simplify right side
    2,775.30x = 6,454,752.32
  5. Step 5: Solve for x
    x = 6,454,752.32/2,775.30
  6. Step 6: Final answer
    x = 2,325.79

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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.