Home / 2,658.42-3,668.66-1,539.44

Finding the Fourth Proportional to 2,658.42, 3,668.66 and 1,539.44

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Solution

The fourth proportional to 2,658.42, 3,668.66 and 1,539.44 is: 2,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.42 : 3,668.66 = 1,539.44 : x
  2. Step 2: Convert to fraction form
    2,658.42/3,668.66 = 1,539.44/x
  3. Step 3: Cross multiply
    2,658.42x = 3,668.66 × 1,539.44
  4. Step 4: Simplify right side
    2,658.42x = 5,647,675.44
  5. Step 5: Solve for x
    x = 5,647,675.44/2,658.42
  6. Step 6: Final answer
    x = 2,124.45

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1.5x scale

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.