Home / 2,839.66-3,913.80-2,675.63

Finding the Fourth Proportional to 2,839.66, 3,913.80 and 2,675.63

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Solution

The fourth proportional to 2,839.66, 3,913.80 and 2,675.63 is: 3,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.66 : 3,913.80 = 2,675.63 : x
  2. Step 2: Convert to fraction form
    2,839.66/3,913.80 = 2,675.63/x
  3. Step 3: Cross multiply
    2,839.66x = 3,913.80 × 2,675.63
  4. Step 4: Simplify right side
    2,839.66x = 10,471,895.50
  5. Step 5: Solve for x
    x = 10,471,895.50/2,839.66
  6. Step 6: Final answer
    x = 3,687.73

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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.