Home / 2,669.94-3,685.95-1,787.25

Finding the Fourth Proportional to 2,669.94, 3,685.95 and 1,787.25

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Solution

The fourth proportional to 2,669.94, 3,685.95 and 1,787.25 is: 2,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.94 : 3,685.95 = 1,787.25 : x
  2. Step 2: Convert to fraction form
    2,669.94/3,685.95 = 1,787.25/x
  3. Step 3: Cross multiply
    2,669.94x = 3,685.95 × 1,787.25
  4. Step 4: Simplify right side
    2,669.94x = 6,587,714.14
  5. Step 5: Solve for x
    x = 6,587,714.14/2,669.94
  6. Step 6: Final answer
    x = 2,467.36

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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.