Home / 2,438.37-3,658.55-1,342.64

Finding the Fourth Proportional to 2,438.37, 3,658.55 and 1,342.64

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Solution

The fourth proportional to 2,438.37, 3,658.55 and 1,342.64 is: 2,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.37 : 3,658.55 = 1,342.64 : x
  2. Step 2: Convert to fraction form
    2,438.37/3,658.55 = 1,342.64/x
  3. Step 3: Cross multiply
    2,438.37x = 3,658.55 × 1,342.64
  4. Step 4: Simplify right side
    2,438.37x = 4,912,118.01
  5. Step 5: Solve for x
    x = 4,912,118.01/2,438.37
  6. Step 6: Final answer
    x = 2,014.51

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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.