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Finding the Fourth Proportional to 3,658.93, 5,488.44 and 1,813.93

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Solution

The fourth proportional to 3,658.93, 5,488.44 and 1,813.93 is: 2,720.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.93 : 5,488.44 = 1,813.93 : x
  2. Step 2: Convert to fraction form
    3,658.93/5,488.44 = 1,813.93/x
  3. Step 3: Cross multiply
    3,658.93x = 5,488.44 × 1,813.93
  4. Step 4: Simplify right side
    3,658.93x = 9,955,645.97
  5. Step 5: Solve for x
    x = 9,955,645.97/3,658.93
  6. Step 6: Final answer
    x = 2,720.92

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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.