Home / 2,118.82-3,178.23-1,706.02

Finding the Fourth Proportional to 2,118.82, 3,178.23 and 1,706.02

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Solution

The fourth proportional to 2,118.82, 3,178.23 and 1,706.02 is: 2,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.82 : 3,178.23 = 1,706.02 : x
  2. Step 2: Convert to fraction form
    2,118.82/3,178.23 = 1,706.02/x
  3. Step 3: Cross multiply
    2,118.82x = 3,178.23 × 1,706.02
  4. Step 4: Simplify right side
    2,118.82x = 5,422,123.94
  5. Step 5: Solve for x
    x = 5,422,123.94/2,118.82
  6. Step 6: Final answer
    x = 2,559.03

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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.