Home / 2,922.93-4,384.49-1,278.63

Finding the Fourth Proportional to 2,922.93, 4,384.49 and 1,278.63

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Solution

The fourth proportional to 2,922.93, 4,384.49 and 1,278.63 is: 1,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.93 : 4,384.49 = 1,278.63 : x
  2. Step 2: Convert to fraction form
    2,922.93/4,384.49 = 1,278.63/x
  3. Step 3: Cross multiply
    2,922.93x = 4,384.49 × 1,278.63
  4. Step 4: Simplify right side
    2,922.93x = 5,606,134.06
  5. Step 5: Solve for x
    x = 5,606,134.06/2,922.93
  6. Step 6: Final answer
    x = 1,917.98

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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.