Home / 2,305.36-3,458.46-1,319.29

Finding the Fourth Proportional to 2,305.36, 3,458.46 and 1,319.29

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Solution

The fourth proportional to 2,305.36, 3,458.46 and 1,319.29 is: 1,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.36 : 3,458.46 = 1,319.29 : x
  2. Step 2: Convert to fraction form
    2,305.36/3,458.46 = 1,319.29/x
  3. Step 3: Cross multiply
    2,305.36x = 3,458.46 × 1,319.29
  4. Step 4: Simplify right side
    2,305.36x = 4,562,707.99
  5. Step 5: Solve for x
    x = 4,562,707.99/2,305.36
  6. Step 6: Final answer
    x = 1,979.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.