Home / 3,787.37-5,680.90-1,322.18

Finding the Fourth Proportional to 3,787.37, 5,680.90 and 1,322.18

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Solution

The fourth proportional to 3,787.37, 5,680.90 and 1,322.18 is: 1,983.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.37 : 5,680.90 = 1,322.18 : x
  2. Step 2: Convert to fraction form
    3,787.37/5,680.90 = 1,322.18/x
  3. Step 3: Cross multiply
    3,787.37x = 5,680.90 × 1,322.18
  4. Step 4: Simplify right side
    3,787.37x = 7,511,172.36
  5. Step 5: Solve for x
    x = 7,511,172.36/3,787.37
  6. Step 6: Final answer
    x = 1,983.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.