Home / 1,929.74-2,892.80-1,050.95

Finding the Fourth Proportional to 1,929.74, 2,892.80 and 1,050.95

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Solution

The fourth proportional to 1,929.74, 2,892.80 and 1,050.95 is: 1,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.74 : 2,892.80 = 1,050.95 : x
  2. Step 2: Convert to fraction form
    1,929.74/2,892.80 = 1,050.95/x
  3. Step 3: Cross multiply
    1,929.74x = 2,892.80 × 1,050.95
  4. Step 4: Simplify right side
    1,929.74x = 3,040,168.44
  5. Step 5: Solve for x
    x = 3,040,168.44/1,929.74
  6. Step 6: Final answer
    x = 1,575.43

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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.