Home / 2,020.14-3,031.08-1,045.68

Finding the Fourth Proportional to 2,020.14, 3,031.08 and 1,045.68

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Solution

The fourth proportional to 2,020.14, 3,031.08 and 1,045.68 is: 1,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.14 : 3,031.08 = 1,045.68 : x
  2. Step 2: Convert to fraction form
    2,020.14/3,031.08 = 1,045.68/x
  3. Step 3: Cross multiply
    2,020.14x = 3,031.08 × 1,045.68
  4. Step 4: Simplify right side
    2,020.14x = 3,169,539.73
  5. Step 5: Solve for x
    x = 3,169,539.73/2,020.14
  6. Step 6: Final answer
    x = 1,568.97

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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.