Home / 2,879.09-3,972.60-1,700.36

Finding the Fourth Proportional to 2,879.09, 3,972.60 and 1,700.36

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Solution

The fourth proportional to 2,879.09, 3,972.60 and 1,700.36 is: 2,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.09 : 3,972.60 = 1,700.36 : x
  2. Step 2: Convert to fraction form
    2,879.09/3,972.60 = 1,700.36/x
  3. Step 3: Cross multiply
    2,879.09x = 3,972.60 × 1,700.36
  4. Step 4: Simplify right side
    2,879.09x = 6,754,850.14
  5. Step 5: Solve for x
    x = 6,754,850.14/2,879.09
  6. Step 6: Final answer
    x = 2,346.18

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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.