Home / 2,326.21-3,493.94-1,390.96

Finding the Fourth Proportional to 2,326.21, 3,493.94 and 1,390.96

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Solution

The fourth proportional to 2,326.21, 3,493.94 and 1,390.96 is: 2,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.21 : 3,493.94 = 1,390.96 : x
  2. Step 2: Convert to fraction form
    2,326.21/3,493.94 = 1,390.96/x
  3. Step 3: Cross multiply
    2,326.21x = 3,493.94 × 1,390.96
  4. Step 4: Simplify right side
    2,326.21x = 4,859,930.78
  5. Step 5: Solve for x
    x = 4,859,930.78/2,326.21
  6. Step 6: Final answer
    x = 2,089.21

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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.