Home / 2,849.90-3,933.14-1,787.84

Finding the Fourth Proportional to 2,849.90, 3,933.14 and 1,787.84

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Solution

The fourth proportional to 2,849.90, 3,933.14 and 1,787.84 is: 2,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.90 : 3,933.14 = 1,787.84 : x
  2. Step 2: Convert to fraction form
    2,849.90/3,933.14 = 1,787.84/x
  3. Step 3: Cross multiply
    2,849.90x = 3,933.14 × 1,787.84
  4. Step 4: Simplify right side
    2,849.90x = 7,031,825.02
  5. Step 5: Solve for x
    x = 7,031,825.02/2,849.90
  6. Step 6: Final answer
    x = 2,467.39

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1.5x scale

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.