Home / 3,020.45-4,529.52-1,265.57

Finding the Fourth Proportional to 3,020.45, 4,529.52 and 1,265.57

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Solution

The fourth proportional to 3,020.45, 4,529.52 and 1,265.57 is: 1,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.45 : 4,529.52 = 1,265.57 : x
  2. Step 2: Convert to fraction form
    3,020.45/4,529.52 = 1,265.57/x
  3. Step 3: Cross multiply
    3,020.45x = 4,529.52 × 1,265.57
  4. Step 4: Simplify right side
    3,020.45x = 5,732,401.98
  5. Step 5: Solve for x
    x = 5,732,401.98/3,020.45
  6. Step 6: Final answer
    x = 1,897.87

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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.