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Finding the Fourth Proportional to 2,858.41, 3,944.76 and 1,739.17

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Solution

The fourth proportional to 2,858.41, 3,944.76 and 1,739.17 is: 2,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.41 : 3,944.76 = 1,739.17 : x
  2. Step 2: Convert to fraction form
    2,858.41/3,944.76 = 1,739.17/x
  3. Step 3: Cross multiply
    2,858.41x = 3,944.76 × 1,739.17
  4. Step 4: Simplify right side
    2,858.41x = 6,860,608.25
  5. Step 5: Solve for x
    x = 6,860,608.25/2,858.41
  6. Step 6: Final answer
    x = 2,400.15

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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.