Home / 3,165.94-4,745.82-1,521.55

Finding the Fourth Proportional to 3,165.94, 4,745.82 and 1,521.55

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Solution

The fourth proportional to 3,165.94, 4,745.82 and 1,521.55 is: 2,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.94 : 4,745.82 = 1,521.55 : x
  2. Step 2: Convert to fraction form
    3,165.94/4,745.82 = 1,521.55/x
  3. Step 3: Cross multiply
    3,165.94x = 4,745.82 × 1,521.55
  4. Step 4: Simplify right side
    3,165.94x = 7,221,002.42
  5. Step 5: Solve for x
    x = 7,221,002.42/3,165.94
  6. Step 6: Final answer
    x = 2,280.84

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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.