Home / 2,964.87-4,091.67-1,786.32

Finding the Fourth Proportional to 2,964.87, 4,091.67 and 1,786.32

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Solution

The fourth proportional to 2,964.87, 4,091.67 and 1,786.32 is: 2,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.87 : 4,091.67 = 1,786.32 : x
  2. Step 2: Convert to fraction form
    2,964.87/4,091.67 = 1,786.32/x
  3. Step 3: Cross multiply
    2,964.87x = 4,091.67 × 1,786.32
  4. Step 4: Simplify right side
    2,964.87x = 7,309,031.95
  5. Step 5: Solve for x
    x = 7,309,031.95/2,964.87
  6. Step 6: Final answer
    x = 2,465.21

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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.