Home / 3,718.49-5,575.83-1,964.43

Finding the Fourth Proportional to 3,718.49, 5,575.83 and 1,964.43

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Solution

The fourth proportional to 3,718.49, 5,575.83 and 1,964.43 is: 2,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.49 : 5,575.83 = 1,964.43 : x
  2. Step 2: Convert to fraction form
    3,718.49/5,575.83 = 1,964.43/x
  3. Step 3: Cross multiply
    3,718.49x = 5,575.83 × 1,964.43
  4. Step 4: Simplify right side
    3,718.49x = 10,953,341.67
  5. Step 5: Solve for x
    x = 10,953,341.67/3,718.49
  6. Step 6: Final answer
    x = 2,945.64

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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.