Home / 2,627.84-3,939.64-1,938.33

Finding the Fourth Proportional to 2,627.84, 3,939.64 and 1,938.33

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Solution

The fourth proportional to 2,627.84, 3,939.64 and 1,938.33 is: 2,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.84 : 3,939.64 = 1,938.33 : x
  2. Step 2: Convert to fraction form
    2,627.84/3,939.64 = 1,938.33/x
  3. Step 3: Cross multiply
    2,627.84x = 3,939.64 × 1,938.33
  4. Step 4: Simplify right side
    2,627.84x = 7,636,317.56
  5. Step 5: Solve for x
    x = 7,636,317.56/2,627.84
  6. Step 6: Final answer
    x = 2,905.93

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1.5x scale

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.