Home / 2,938.03-4,050.44-1,992.39

Finding the Fourth Proportional to 2,938.03, 4,050.44 and 1,992.39

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Solution

The fourth proportional to 2,938.03, 4,050.44 and 1,992.39 is: 2,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.03 : 4,050.44 = 1,992.39 : x
  2. Step 2: Convert to fraction form
    2,938.03/4,050.44 = 1,992.39/x
  3. Step 3: Cross multiply
    2,938.03x = 4,050.44 × 1,992.39
  4. Step 4: Simplify right side
    2,938.03x = 8,070,056.15
  5. Step 5: Solve for x
    x = 8,070,056.15/2,938.03
  6. Step 6: Final answer
    x = 2,746.76

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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.