Home / 2,626.53-3,935.97-1,326.21

Finding the Fourth Proportional to 2,626.53, 3,935.97 and 1,326.21

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Solution

The fourth proportional to 2,626.53, 3,935.97 and 1,326.21 is: 1,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.53 : 3,935.97 = 1,326.21 : x
  2. Step 2: Convert to fraction form
    2,626.53/3,935.97 = 1,326.21/x
  3. Step 3: Cross multiply
    2,626.53x = 3,935.97 × 1,326.21
  4. Step 4: Simplify right side
    2,626.53x = 5,219,922.77
  5. Step 5: Solve for x
    x = 5,219,922.77/2,626.53
  6. Step 6: Final answer
    x = 1,987.38

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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.