Home / 2,858.32-3,944.44-1,679.16

Finding the Fourth Proportional to 2,858.32, 3,944.44 and 1,679.16

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Solution

The fourth proportional to 2,858.32, 3,944.44 and 1,679.16 is: 2,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.32 : 3,944.44 = 1,679.16 : x
  2. Step 2: Convert to fraction form
    2,858.32/3,944.44 = 1,679.16/x
  3. Step 3: Cross multiply
    2,858.32x = 3,944.44 × 1,679.16
  4. Step 4: Simplify right side
    2,858.32x = 6,623,345.87
  5. Step 5: Solve for x
    x = 6,623,345.87/2,858.32
  6. Step 6: Final answer
    x = 2,317.22

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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.