Home / 1,947.24-2,919.24-1,516.32

Finding the Fourth Proportional to 1,947.24, 2,919.24 and 1,516.32

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Solution

The fourth proportional to 1,947.24, 2,919.24 and 1,516.32 is: 2,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.24 : 2,919.24 = 1,516.32 : x
  2. Step 2: Convert to fraction form
    1,947.24/2,919.24 = 1,516.32/x
  3. Step 3: Cross multiply
    1,947.24x = 2,919.24 × 1,516.32
  4. Step 4: Simplify right side
    1,947.24x = 4,426,502.00
  5. Step 5: Solve for x
    x = 4,426,502.00/1,947.24
  6. Step 6: Final answer
    x = 2,273.22

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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.