Home / 3,614.52-4,987.98-2,021.19

Finding the Fourth Proportional to 3,614.52, 4,987.98 and 2,021.19

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Solution

The fourth proportional to 3,614.52, 4,987.98 and 2,021.19 is: 2,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.52 : 4,987.98 = 2,021.19 : x
  2. Step 2: Convert to fraction form
    3,614.52/4,987.98 = 2,021.19/x
  3. Step 3: Cross multiply
    3,614.52x = 4,987.98 × 2,021.19
  4. Step 4: Simplify right side
    3,614.52x = 10,081,655.30
  5. Step 5: Solve for x
    x = 10,081,655.30/3,614.52
  6. Step 6: Final answer
    x = 2,789.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.