Home / 2,438.23-3,658.27-2,166.39

Finding the Fourth Proportional to 2,438.23, 3,658.27 and 2,166.39

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Solution

The fourth proportional to 2,438.23, 3,658.27 and 2,166.39 is: 3,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,438.23 : 3,658.27 = 2,166.39 : x
  2. Step 2: Convert to fraction form
    2,438.23/3,658.27 = 2,166.39/x
  3. Step 3: Cross multiply
    2,438.23x = 3,658.27 × 2,166.39
  4. Step 4: Simplify right side
    2,438.23x = 7,925,239.55
  5. Step 5: Solve for x
    x = 7,925,239.55/2,438.23
  6. Step 6: Final answer
    x = 3,250.41

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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.