Home / 2,623.68-3,935.48-675.86

Finding the Fourth Proportional to 2,623.68, 3,935.48 and 675.86

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Solution

The fourth proportional to 2,623.68, 3,935.48 and 675.86 is: 1,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.68 : 3,935.48 = 675.86 : x
  2. Step 2: Convert to fraction form
    2,623.68/3,935.48 = 675.86/x
  3. Step 3: Cross multiply
    2,623.68x = 3,935.48 × 675.86
  4. Step 4: Simplify right side
    2,623.68x = 2,659,833.51
  5. Step 5: Solve for x
    x = 2,659,833.51/2,623.68
  6. Step 6: Final answer
    x = 1,013.78

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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.