Home / 2,961.08-4,439.98-1,205.63

Finding the Fourth Proportional to 2,961.08, 4,439.98 and 1,205.63

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Solution

The fourth proportional to 2,961.08, 4,439.98 and 1,205.63 is: 1,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.08 : 4,439.98 = 1,205.63 : x
  2. Step 2: Convert to fraction form
    2,961.08/4,439.98 = 1,205.63/x
  3. Step 3: Cross multiply
    2,961.08x = 4,439.98 × 1,205.63
  4. Step 4: Simplify right side
    2,961.08x = 5,352,947.87
  5. Step 5: Solve for x
    x = 5,352,947.87/2,961.08
  6. Step 6: Final answer
    x = 1,807.77

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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.