Home / 3,456.44-5,181.57-1,263.64

Finding the Fourth Proportional to 3,456.44, 5,181.57 and 1,263.64

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Solution

The fourth proportional to 3,456.44, 5,181.57 and 1,263.64 is: 1,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.44 : 5,181.57 = 1,263.64 : x
  2. Step 2: Convert to fraction form
    3,456.44/5,181.57 = 1,263.64/x
  3. Step 3: Cross multiply
    3,456.44x = 5,181.57 × 1,263.64
  4. Step 4: Simplify right side
    3,456.44x = 6,547,639.11
  5. Step 5: Solve for x
    x = 6,547,639.11/3,456.44
  6. Step 6: Final answer
    x = 1,894.33

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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.