Home / 2,380.44-3,286.16-1,585.10

Finding the Fourth Proportional to 2,380.44, 3,286.16 and 1,585.10

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Solution

The fourth proportional to 2,380.44, 3,286.16 and 1,585.10 is: 2,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.44 : 3,286.16 = 1,585.10 : x
  2. Step 2: Convert to fraction form
    2,380.44/3,286.16 = 1,585.10/x
  3. Step 3: Cross multiply
    2,380.44x = 3,286.16 × 1,585.10
  4. Step 4: Simplify right side
    2,380.44x = 5,208,892.22
  5. Step 5: Solve for x
    x = 5,208,892.22/2,380.44
  6. Step 6: Final answer
    x = 2,188.21

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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.