Home / 1,944.95-2,912.34-1,784.57

Finding the Fourth Proportional to 1,944.95, 2,912.34 and 1,784.57

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Solution

The fourth proportional to 1,944.95, 2,912.34 and 1,784.57 is: 2,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.95 : 2,912.34 = 1,784.57 : x
  2. Step 2: Convert to fraction form
    1,944.95/2,912.34 = 1,784.57/x
  3. Step 3: Cross multiply
    1,944.95x = 2,912.34 × 1,784.57
  4. Step 4: Simplify right side
    1,944.95x = 5,197,274.59
  5. Step 5: Solve for x
    x = 5,197,274.59/1,944.95
  6. Step 6: Final answer
    x = 2,672.19

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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.