Home / 2,020.12-3,031.80-1,046.50

Finding the Fourth Proportional to 2,020.12, 3,031.80 and 1,046.50

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Solution

The fourth proportional to 2,020.12, 3,031.80 and 1,046.50 is: 1,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.12 : 3,031.80 = 1,046.50 : x
  2. Step 2: Convert to fraction form
    2,020.12/3,031.80 = 1,046.50/x
  3. Step 3: Cross multiply
    2,020.12x = 3,031.80 × 1,046.50
  4. Step 4: Simplify right side
    2,020.12x = 3,172,767.20
  5. Step 5: Solve for x
    x = 3,172,767.20/2,020.12
  6. Step 6: Final answer
    x = 1,570.59

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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.