Home / 2,628.12-3,626.54-1,449.16

Finding the Fourth Proportional to 2,628.12, 3,626.54 and 1,449.16

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Solution

The fourth proportional to 2,628.12, 3,626.54 and 1,449.16 is: 1,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.12 : 3,626.54 = 1,449.16 : x
  2. Step 2: Convert to fraction form
    2,628.12/3,626.54 = 1,449.16/x
  3. Step 3: Cross multiply
    2,628.12x = 3,626.54 × 1,449.16
  4. Step 4: Simplify right side
    2,628.12x = 5,255,436.71
  5. Step 5: Solve for x
    x = 5,255,436.71/2,628.12
  6. Step 6: Final answer
    x = 1,999.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.