Home / 2,660.08-3,669.92-1,664.98

Finding the Fourth Proportional to 2,660.08, 3,669.92 and 1,664.98

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Solution

The fourth proportional to 2,660.08, 3,669.92 and 1,664.98 is: 2,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.08 : 3,669.92 = 1,664.98 : x
  2. Step 2: Convert to fraction form
    2,660.08/3,669.92 = 1,664.98/x
  3. Step 3: Cross multiply
    2,660.08x = 3,669.92 × 1,664.98
  4. Step 4: Simplify right side
    2,660.08x = 6,110,343.40
  5. Step 5: Solve for x
    x = 6,110,343.40/2,660.08
  6. Step 6: Final answer
    x = 2,297.05

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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.