Home / 3,020.55-4,530.62-1,045.72

Finding the Fourth Proportional to 3,020.55, 4,530.62 and 1,045.72

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Solution

The fourth proportional to 3,020.55, 4,530.62 and 1,045.72 is: 1,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.55 : 4,530.62 = 1,045.72 : x
  2. Step 2: Convert to fraction form
    3,020.55/4,530.62 = 1,045.72/x
  3. Step 3: Cross multiply
    3,020.55x = 4,530.62 × 1,045.72
  4. Step 4: Simplify right side
    3,020.55x = 4,737,759.95
  5. Step 5: Solve for x
    x = 4,737,759.95/3,020.55
  6. Step 6: Final answer
    x = 1,568.51

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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.