Home / 3,415.08-4,712.94-2,089.38

Finding the Fourth Proportional to 3,415.08, 4,712.94 and 2,089.38

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Solution

The fourth proportional to 3,415.08, 4,712.94 and 2,089.38 is: 2,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.08 : 4,712.94 = 2,089.38 : x
  2. Step 2: Convert to fraction form
    3,415.08/4,712.94 = 2,089.38/x
  3. Step 3: Cross multiply
    3,415.08x = 4,712.94 × 2,089.38
  4. Step 4: Simplify right side
    3,415.08x = 9,847,122.58
  5. Step 5: Solve for x
    x = 9,847,122.58/3,415.08
  6. Step 6: Final answer
    x = 2,883.42

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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.