Home / 2,438.35-3,657.21-1,394.98

Finding the Fourth Proportional to 2,438.35, 3,657.21 and 1,394.98

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Solution

The fourth proportional to 2,438.35, 3,657.21 and 1,394.98 is: 2,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.35 : 3,657.21 = 1,394.98 : x
  2. Step 2: Convert to fraction form
    2,438.35/3,657.21 = 1,394.98/x
  3. Step 3: Cross multiply
    2,438.35x = 3,657.21 × 1,394.98
  4. Step 4: Simplify right side
    2,438.35x = 5,101,734.81
  5. Step 5: Solve for x
    x = 5,101,734.81/2,438.35
  6. Step 6: Final answer
    x = 2,092.29

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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.