Home / 3,185.04-4,395.52-1,787.84

Finding the Fourth Proportional to 3,185.04, 4,395.52 and 1,787.84

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Solution

The fourth proportional to 3,185.04, 4,395.52 and 1,787.84 is: 2,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.04 : 4,395.52 = 1,787.84 : x
  2. Step 2: Convert to fraction form
    3,185.04/4,395.52 = 1,787.84/x
  3. Step 3: Cross multiply
    3,185.04x = 4,395.52 × 1,787.84
  4. Step 4: Simplify right side
    3,185.04x = 7,858,486.48
  5. Step 5: Solve for x
    x = 7,858,486.48/3,185.04
  6. Step 6: Final answer
    x = 2,467.31

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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.