Home / 3,455.15-5,181.99-1,263.15

Finding the Fourth Proportional to 3,455.15, 5,181.99 and 1,263.15

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Solution

The fourth proportional to 3,455.15, 5,181.99 and 1,263.15 is: 1,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.15 : 5,181.99 = 1,263.15 : x
  2. Step 2: Convert to fraction form
    3,455.15/5,181.99 = 1,263.15/x
  3. Step 3: Cross multiply
    3,455.15x = 5,181.99 × 1,263.15
  4. Step 4: Simplify right side
    3,455.15x = 6,545,630.67
  5. Step 5: Solve for x
    x = 6,545,630.67/3,455.15
  6. Step 6: Final answer
    x = 1,894.46

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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.