Home / 2,943.06-4,412.94-1,298.76

Finding the Fourth Proportional to 2,943.06, 4,412.94 and 1,298.76

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Solution

The fourth proportional to 2,943.06, 4,412.94 and 1,298.76 is: 1,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.06 : 4,412.94 = 1,298.76 : x
  2. Step 2: Convert to fraction form
    2,943.06/4,412.94 = 1,298.76/x
  3. Step 3: Cross multiply
    2,943.06x = 4,412.94 × 1,298.76
  4. Step 4: Simplify right side
    2,943.06x = 5,731,349.95
  5. Step 5: Solve for x
    x = 5,731,349.95/2,943.06
  6. Step 6: Final answer
    x = 1,947.41

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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.