Home / 2,427.48-3,649.32-1,879.92

Finding the Fourth Proportional to 2,427.48, 3,649.32 and 1,879.92

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Solution

The fourth proportional to 2,427.48, 3,649.32 and 1,879.92 is: 2,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.48 : 3,649.32 = 1,879.92 : x
  2. Step 2: Convert to fraction form
    2,427.48/3,649.32 = 1,879.92/x
  3. Step 3: Cross multiply
    2,427.48x = 3,649.32 × 1,879.92
  4. Step 4: Simplify right side
    2,427.48x = 6,860,429.65
  5. Step 5: Solve for x
    x = 6,860,429.65/2,427.48
  6. Step 6: Final answer
    x = 2,826.15

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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.