Home / 1,938.33-2,887.92-1,845.45

Finding the Fourth Proportional to 1,938.33, 2,887.92 and 1,845.45

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Solution

The fourth proportional to 1,938.33, 2,887.92 and 1,845.45 is: 2,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.33 : 2,887.92 = 1,845.45 : x
  2. Step 2: Convert to fraction form
    1,938.33/2,887.92 = 1,845.45/x
  3. Step 3: Cross multiply
    1,938.33x = 2,887.92 × 1,845.45
  4. Step 4: Simplify right side
    1,938.33x = 5,329,511.96
  5. Step 5: Solve for x
    x = 5,329,511.96/1,938.33
  6. Step 6: Final answer
    x = 2,749.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.