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Finding the Fourth Proportional to 1,950.35, 2,926.98 and 718.07

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Solution

The fourth proportional to 1,950.35, 2,926.98 and 718.07 is: 1,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.35 : 2,926.98 = 718.07 : x
  2. Step 2: Convert to fraction form
    1,950.35/2,926.98 = 718.07/x
  3. Step 3: Cross multiply
    1,950.35x = 2,926.98 × 718.07
  4. Step 4: Simplify right side
    1,950.35x = 2,101,761.89
  5. Step 5: Solve for x
    x = 2,101,761.89/1,950.35
  6. Step 6: Final answer
    x = 1,077.64

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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.