Home / 1,965.88-2,950.51-1,042.09

Finding the Fourth Proportional to 1,965.88, 2,950.51 and 1,042.09

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Solution

The fourth proportional to 1,965.88, 2,950.51 and 1,042.09 is: 1,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.88 : 2,950.51 = 1,042.09 : x
  2. Step 2: Convert to fraction form
    1,965.88/2,950.51 = 1,042.09/x
  3. Step 3: Cross multiply
    1,965.88x = 2,950.51 × 1,042.09
  4. Step 4: Simplify right side
    1,965.88x = 3,074,686.98
  5. Step 5: Solve for x
    x = 3,074,686.98/1,965.88
  6. Step 6: Final answer
    x = 1,564.03

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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.