Home / 2,020.57-3,031-1,046.85

Finding the Fourth Proportional to 2,020.57, 3,031 and 1,046.85

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Solution

The fourth proportional to 2,020.57, 3,031 and 1,046.85 is: 1,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.57 : 3,031 = 1,046.85 : x
  2. Step 2: Convert to fraction form
    2,020.57/3,031 = 1,046.85/x
  3. Step 3: Cross multiply
    2,020.57x = 3,031 × 1,046.85
  4. Step 4: Simplify right side
    2,020.57x = 3,173,002.35
  5. Step 5: Solve for x
    x = 3,173,002.35/2,020.57
  6. Step 6: Final answer
    x = 1,570.35

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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.