Home / 2,390.05-3,297.42-1,394.98

Finding the Fourth Proportional to 2,390.05, 3,297.42 and 1,394.98

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Solution

The fourth proportional to 2,390.05, 3,297.42 and 1,394.98 is: 1,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,390.05 : 3,297.42 = 1,394.98 : x
  2. Step 2: Convert to fraction form
    2,390.05/3,297.42 = 1,394.98/x
  3. Step 3: Cross multiply
    2,390.05x = 3,297.42 × 1,394.98
  4. Step 4: Simplify right side
    2,390.05x = 4,599,834.95
  5. Step 5: Solve for x
    x = 4,599,834.95/2,390.05
  6. Step 6: Final answer
    x = 1,924.58

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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.