Home / 3,860.10-5,790.09-1,263

Finding the Fourth Proportional to 3,860.10, 5,790.09 and 1,263

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Solution

The fourth proportional to 3,860.10, 5,790.09 and 1,263 is: 1,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.10 : 5,790.09 = 1,263 : x
  2. Step 2: Convert to fraction form
    3,860.10/5,790.09 = 1,263/x
  3. Step 3: Cross multiply
    3,860.10x = 5,790.09 × 1,263
  4. Step 4: Simplify right side
    3,860.10x = 7,312,883.67
  5. Step 5: Solve for x
    x = 7,312,883.67/3,860.10
  6. Step 6: Final answer
    x = 1,894.48

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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.