Home / 2,179.99-3,009.05-1,481.77

Finding the Fourth Proportional to 2,179.99, 3,009.05 and 1,481.77

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Solution

The fourth proportional to 2,179.99, 3,009.05 and 1,481.77 is: 2,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.99 : 3,009.05 = 1,481.77 : x
  2. Step 2: Convert to fraction form
    2,179.99/3,009.05 = 1,481.77/x
  3. Step 3: Cross multiply
    2,179.99x = 3,009.05 × 1,481.77
  4. Step 4: Simplify right side
    2,179.99x = 4,458,712.61
  5. Step 5: Solve for x
    x = 4,458,712.61/2,179.99
  6. Step 6: Final answer
    x = 2,045.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.