Home / 3,787.06-5,216.38-2,666.05

Finding the Fourth Proportional to 3,787.06, 5,216.38 and 2,666.05

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Solution

The fourth proportional to 3,787.06, 5,216.38 and 2,666.05 is: 3,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.06 : 5,216.38 = 2,666.05 : x
  2. Step 2: Convert to fraction form
    3,787.06/5,216.38 = 2,666.05/x
  3. Step 3: Cross multiply
    3,787.06x = 5,216.38 × 2,666.05
  4. Step 4: Simplify right side
    3,787.06x = 13,907,112.60
  5. Step 5: Solve for x
    x = 13,907,112.60/3,787.06
  6. Step 6: Final answer
    x = 3,672.28

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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.