Home / 3,118.49-4,304.40-1,843.55

Finding the Fourth Proportional to 3,118.49, 4,304.40 and 1,843.55

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Solution

The fourth proportional to 3,118.49, 4,304.40 and 1,843.55 is: 2,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.49 : 4,304.40 = 1,843.55 : x
  2. Step 2: Convert to fraction form
    3,118.49/4,304.40 = 1,843.55/x
  3. Step 3: Cross multiply
    3,118.49x = 4,304.40 × 1,843.55
  4. Step 4: Simplify right side
    3,118.49x = 7,935,376.62
  5. Step 5: Solve for x
    x = 7,935,376.62/3,118.49
  6. Step 6: Final answer
    x = 2,544.62

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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.