Home / 2,021.76-3,020.09-1,693.71

Finding the Fourth Proportional to 2,021.76, 3,020.09 and 1,693.71

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Solution

The fourth proportional to 2,021.76, 3,020.09 and 1,693.71 is: 2,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.76 : 3,020.09 = 1,693.71 : x
  2. Step 2: Convert to fraction form
    2,021.76/3,020.09 = 1,693.71/x
  3. Step 3: Cross multiply
    2,021.76x = 3,020.09 × 1,693.71
  4. Step 4: Simplify right side
    2,021.76x = 5,115,148.17
  5. Step 5: Solve for x
    x = 5,115,148.17/2,021.76
  6. Step 6: Final answer
    x = 2,530.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.