Home / 3,977.07-5,964.45-1,605.15

Finding the Fourth Proportional to 3,977.07, 5,964.45 and 1,605.15

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Solution

The fourth proportional to 3,977.07, 5,964.45 and 1,605.15 is: 2,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.07 : 5,964.45 = 1,605.15 : x
  2. Step 2: Convert to fraction form
    3,977.07/5,964.45 = 1,605.15/x
  3. Step 3: Cross multiply
    3,977.07x = 5,964.45 × 1,605.15
  4. Step 4: Simplify right side
    3,977.07x = 9,573,836.92
  5. Step 5: Solve for x
    x = 9,573,836.92/3,977.07
  6. Step 6: Final answer
    x = 2,407.26

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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.