Home / 2,623.79-3,935.39-675.84

Finding the Fourth Proportional to 2,623.79, 3,935.39 and 675.84

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Solution

The fourth proportional to 2,623.79, 3,935.39 and 675.84 is: 1,013.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.79 : 3,935.39 = 675.84 : x
  2. Step 2: Convert to fraction form
    2,623.79/3,935.39 = 675.84/x
  3. Step 3: Cross multiply
    2,623.79x = 3,935.39 × 675.84
  4. Step 4: Simplify right side
    2,623.79x = 2,659,705.36
  5. Step 5: Solve for x
    x = 2,659,705.36/2,623.79
  6. Step 6: Final answer
    x = 1,013.69

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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.