Home / 2,696.36-3,719.13-2,419.34

Finding the Fourth Proportional to 2,696.36, 3,719.13 and 2,419.34

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Solution

The fourth proportional to 2,696.36, 3,719.13 and 2,419.34 is: 3,337.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.36 : 3,719.13 = 2,419.34 : x
  2. Step 2: Convert to fraction form
    2,696.36/3,719.13 = 2,419.34/x
  3. Step 3: Cross multiply
    2,696.36x = 3,719.13 × 2,419.34
  4. Step 4: Simplify right side
    2,696.36x = 8,997,839.97
  5. Step 5: Solve for x
    x = 8,997,839.97/2,696.36
  6. Step 6: Final answer
    x = 3,337.03

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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.