Home / 1,788.41-2,467.91-1,042.49

Finding the Fourth Proportional to 1,788.41, 2,467.91 and 1,042.49

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Solution

The fourth proportional to 1,788.41, 2,467.91 and 1,042.49 is: 1,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.41 : 2,467.91 = 1,042.49 : x
  2. Step 2: Convert to fraction form
    1,788.41/2,467.91 = 1,042.49/x
  3. Step 3: Cross multiply
    1,788.41x = 2,467.91 × 1,042.49
  4. Step 4: Simplify right side
    1,788.41x = 2,572,766.28
  5. Step 5: Solve for x
    x = 2,572,766.28/1,788.41
  6. Step 6: Final answer
    x = 1,438.58

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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.