Home / 1,896.80-2,617.57-1,057.49

Finding the Fourth Proportional to 1,896.80, 2,617.57 and 1,057.49

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Solution

The fourth proportional to 1,896.80, 2,617.57 and 1,057.49 is: 1,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.80 : 2,617.57 = 1,057.49 : x
  2. Step 2: Convert to fraction form
    1,896.80/2,617.57 = 1,057.49/x
  3. Step 3: Cross multiply
    1,896.80x = 2,617.57 × 1,057.49
  4. Step 4: Simplify right side
    1,896.80x = 2,768,054.10
  5. Step 5: Solve for x
    x = 2,768,054.10/1,896.80
  6. Step 6: Final answer
    x = 1,459.33

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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.