Home / 2,696.21-3,720.48-1,517.03

Finding the Fourth Proportional to 2,696.21, 3,720.48 and 1,517.03

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Solution

The fourth proportional to 2,696.21, 3,720.48 and 1,517.03 is: 2,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.21 : 3,720.48 = 1,517.03 : x
  2. Step 2: Convert to fraction form
    2,696.21/3,720.48 = 1,517.03/x
  3. Step 3: Cross multiply
    2,696.21x = 3,720.48 × 1,517.03
  4. Step 4: Simplify right side
    2,696.21x = 5,644,079.77
  5. Step 5: Solve for x
    x = 5,644,079.77/2,696.21
  6. Step 6: Final answer
    x = 2,093.34

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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.