Home / 2,965.85-4,448.73-1,210.47

Finding the Fourth Proportional to 2,965.85, 4,448.73 and 1,210.47

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Solution

The fourth proportional to 2,965.85, 4,448.73 and 1,210.47 is: 1,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.85 : 4,448.73 = 1,210.47 : x
  2. Step 2: Convert to fraction form
    2,965.85/4,448.73 = 1,210.47/x
  3. Step 3: Cross multiply
    2,965.85x = 4,448.73 × 1,210.47
  4. Step 4: Simplify right side
    2,965.85x = 5,385,042.06
  5. Step 5: Solve for x
    x = 5,385,042.06/2,965.85
  6. Step 6: Final answer
    x = 1,815.68

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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.