Home / 3,614.05-4,986.88-2,020.63

Finding the Fourth Proportional to 3,614.05, 4,986.88 and 2,020.63

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Solution

The fourth proportional to 3,614.05, 4,986.88 and 2,020.63 is: 2,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.05 : 4,986.88 = 2,020.63 : x
  2. Step 2: Convert to fraction form
    3,614.05/4,986.88 = 2,020.63/x
  3. Step 3: Cross multiply
    3,614.05x = 4,986.88 × 2,020.63
  4. Step 4: Simplify right side
    3,614.05x = 10,076,639.33
  5. Step 5: Solve for x
    x = 10,076,639.33/3,614.05
  6. Step 6: Final answer
    x = 2,788.18

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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.