Home / 2,669.38-4,005.36-1,110.58

Finding the Fourth Proportional to 2,669.38, 4,005.36 and 1,110.58

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Solution

The fourth proportional to 2,669.38, 4,005.36 and 1,110.58 is: 1,666.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.38 : 4,005.36 = 1,110.58 : x
  2. Step 2: Convert to fraction form
    2,669.38/4,005.36 = 1,110.58/x
  3. Step 3: Cross multiply
    2,669.38x = 4,005.36 × 1,110.58
  4. Step 4: Simplify right side
    2,669.38x = 4,448,272.71
  5. Step 5: Solve for x
    x = 4,448,272.71/2,669.38
  6. Step 6: Final answer
    x = 1,666.41

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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.