Home / 2,938.58-4,054.94-1,759.62

Finding the Fourth Proportional to 2,938.58, 4,054.94 and 1,759.62

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Solution

The fourth proportional to 2,938.58, 4,054.94 and 1,759.62 is: 2,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.58 : 4,054.94 = 1,759.62 : x
  2. Step 2: Convert to fraction form
    2,938.58/4,054.94 = 1,759.62/x
  3. Step 3: Cross multiply
    2,938.58x = 4,054.94 × 1,759.62
  4. Step 4: Simplify right side
    2,938.58x = 7,135,153.52
  5. Step 5: Solve for x
    x = 7,135,153.52/2,938.58
  6. Step 6: Final answer
    x = 2,428.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.