Home / 2,788.94-3,848.86-1,669.66

Finding the Fourth Proportional to 2,788.94, 3,848.86 and 1,669.66

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Solution

The fourth proportional to 2,788.94, 3,848.86 and 1,669.66 is: 2,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.94 : 3,848.86 = 1,669.66 : x
  2. Step 2: Convert to fraction form
    2,788.94/3,848.86 = 1,669.66/x
  3. Step 3: Cross multiply
    2,788.94x = 3,848.86 × 1,669.66
  4. Step 4: Simplify right side
    2,788.94x = 6,426,279.24
  5. Step 5: Solve for x
    x = 6,426,279.24/2,788.94
  6. Step 6: Final answer
    x = 2,304.21

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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.