Home / 2,802.60-4,198.44-1,629.72

Finding the Fourth Proportional to 2,802.60, 4,198.44 and 1,629.72

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Solution

The fourth proportional to 2,802.60, 4,198.44 and 1,629.72 is: 2,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802.60 : 4,198.44 = 1,629.72 : x
  2. Step 2: Convert to fraction form
    2,802.60/4,198.44 = 1,629.72/x
  3. Step 3: Cross multiply
    2,802.60x = 4,198.44 × 1,629.72
  4. Step 4: Simplify right side
    2,802.60x = 6,842,281.64
  5. Step 5: Solve for x
    x = 6,842,281.64/2,802.60
  6. Step 6: Final answer
    x = 2,441.40

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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.