Home / 3,210.44-4,815.86-1,102.19

Finding the Fourth Proportional to 3,210.44, 4,815.86 and 1,102.19

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Solution

The fourth proportional to 3,210.44, 4,815.86 and 1,102.19 is: 1,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.44 : 4,815.86 = 1,102.19 : x
  2. Step 2: Convert to fraction form
    3,210.44/4,815.86 = 1,102.19/x
  3. Step 3: Cross multiply
    3,210.44x = 4,815.86 × 1,102.19
  4. Step 4: Simplify right side
    3,210.44x = 5,307,963.14
  5. Step 5: Solve for x
    x = 5,307,963.14/3,210.44
  6. Step 6: Final answer
    x = 1,653.35

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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.