Home / 3,096.37-4,272.96-1,680.07

Finding the Fourth Proportional to 3,096.37, 4,272.96 and 1,680.07

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Solution

The fourth proportional to 3,096.37, 4,272.96 and 1,680.07 is: 2,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.37 : 4,272.96 = 1,680.07 : x
  2. Step 2: Convert to fraction form
    3,096.37/4,272.96 = 1,680.07/x
  3. Step 3: Cross multiply
    3,096.37x = 4,272.96 × 1,680.07
  4. Step 4: Simplify right side
    3,096.37x = 7,178,871.91
  5. Step 5: Solve for x
    x = 7,178,871.91/3,096.37
  6. Step 6: Final answer
    x = 2,318.48

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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.