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Finding the Fourth Proportional to 1,950.29, 2,926.59 and 718.56

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Solution

The fourth proportional to 1,950.29, 2,926.59 and 718.56 is: 1,078.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.29 : 2,926.59 = 718.56 : x
  2. Step 2: Convert to fraction form
    1,950.29/2,926.59 = 718.56/x
  3. Step 3: Cross multiply
    1,950.29x = 2,926.59 × 718.56
  4. Step 4: Simplify right side
    1,950.29x = 2,102,930.51
  5. Step 5: Solve for x
    x = 2,102,930.51/1,950.29
  6. Step 6: Final answer
    x = 1,078.27

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1.5x scale

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.