Home / 2,623.74-3,935.65-675.95

Finding the Fourth Proportional to 2,623.74, 3,935.65 and 675.95

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Solution

The fourth proportional to 2,623.74, 3,935.65 and 675.95 is: 1,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.74 : 3,935.65 = 675.95 : x
  2. Step 2: Convert to fraction form
    2,623.74/3,935.65 = 675.95/x
  3. Step 3: Cross multiply
    2,623.74x = 3,935.65 × 675.95
  4. Step 4: Simplify right side
    2,623.74x = 2,660,282.94
  5. Step 5: Solve for x
    x = 2,660,282.94/2,623.74
  6. Step 6: Final answer
    x = 1,013.93

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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.