Home / 3,684.21-5,081.45-2,693.49

Finding the Fourth Proportional to 3,684.21, 5,081.45 and 2,693.49

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Solution

The fourth proportional to 3,684.21, 5,081.45 and 2,693.49 is: 3,714.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.21 : 5,081.45 = 2,693.49 : x
  2. Step 2: Convert to fraction form
    3,684.21/5,081.45 = 2,693.49/x
  3. Step 3: Cross multiply
    3,684.21x = 5,081.45 × 2,693.49
  4. Step 4: Simplify right side
    3,684.21x = 13,686,821.29
  5. Step 5: Solve for x
    x = 13,686,821.29/3,684.21
  6. Step 6: Final answer
    x = 3,714.99

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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.