Home / 2,715.37-4,066.66-1,324.34

Finding the Fourth Proportional to 2,715.37, 4,066.66 and 1,324.34

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Solution

The fourth proportional to 2,715.37, 4,066.66 and 1,324.34 is: 1,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.37 : 4,066.66 = 1,324.34 : x
  2. Step 2: Convert to fraction form
    2,715.37/4,066.66 = 1,324.34/x
  3. Step 3: Cross multiply
    2,715.37x = 4,066.66 × 1,324.34
  4. Step 4: Simplify right side
    2,715.37x = 5,385,637.08
  5. Step 5: Solve for x
    x = 5,385,637.08/2,715.37
  6. Step 6: Final answer
    x = 1,983.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.