Home / 3,860.58-5,791.76-1,263.50

Finding the Fourth Proportional to 3,860.58, 5,791.76 and 1,263.50

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Solution

The fourth proportional to 3,860.58, 5,791.76 and 1,263.50 is: 1,895.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.58 : 5,791.76 = 1,263.50 : x
  2. Step 2: Convert to fraction form
    3,860.58/5,791.76 = 1,263.50/x
  3. Step 3: Cross multiply
    3,860.58x = 5,791.76 × 1,263.50
  4. Step 4: Simplify right side
    3,860.58x = 7,317,888.76
  5. Step 5: Solve for x
    x = 7,317,888.76/3,860.58
  6. Step 6: Final answer
    x = 1,895.54

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1.5x scale

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.