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Finding the Fourth Proportional to 2,858.02, 3,944.00 and 1,679.13

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Solution

The fourth proportional to 2,858.02, 3,944.00 and 1,679.13 is: 2,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.02 : 3,944.00 = 1,679.13 : x
  2. Step 2: Convert to fraction form
    2,858.02/3,944.00 = 1,679.13/x
  3. Step 3: Cross multiply
    2,858.02x = 3,944.00 × 1,679.13
  4. Step 4: Simplify right side
    2,858.02x = 6,622,492.92
  5. Step 5: Solve for x
    x = 6,622,492.92/2,858.02
  6. Step 6: Final answer
    x = 2,317.16

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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.