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Finding the Fourth Proportional to 1,926.68, 2,890.02 and 1,060.52

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Solution

The fourth proportional to 1,926.68, 2,890.02 and 1,060.52 is: 1,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.68 : 2,890.02 = 1,060.52 : x
  2. Step 2: Convert to fraction form
    1,926.68/2,890.02 = 1,060.52/x
  3. Step 3: Cross multiply
    1,926.68x = 2,890.02 × 1,060.52
  4. Step 4: Simplify right side
    1,926.68x = 3,064,924.01
  5. Step 5: Solve for x
    x = 3,064,924.01/1,926.68
  6. Step 6: Final answer
    x = 1,590.78

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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.