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Finding the Fourth Proportional to 2,658.39, 3,653.18 and 2,536.43

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Solution

The fourth proportional to 2,658.39, 3,653.18 and 2,536.43 is: 3,485.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658.39 : 3,653.18 = 2,536.43 : x
  2. Step 2: Convert to fraction form
    2,658.39/3,653.18 = 2,536.43/x
  3. Step 3: Cross multiply
    2,658.39x = 3,653.18 × 2,536.43
  4. Step 4: Simplify right side
    2,658.39x = 9,266,004.40
  5. Step 5: Solve for x
    x = 9,266,004.40/2,658.39
  6. Step 6: Final answer
    x = 3,485.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.