Home / 3,852.86-5,779.31-1,255.79

Finding the Fourth Proportional to 3,852.86, 5,779.31 and 1,255.79

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Solution

The fourth proportional to 3,852.86, 5,779.31 and 1,255.79 is: 1,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.86 : 5,779.31 = 1,255.79 : x
  2. Step 2: Convert to fraction form
    3,852.86/5,779.31 = 1,255.79/x
  3. Step 3: Cross multiply
    3,852.86x = 5,779.31 × 1,255.79
  4. Step 4: Simplify right side
    3,852.86x = 7,257,607.87
  5. Step 5: Solve for x
    x = 7,257,607.87/3,852.86
  6. Step 6: Final answer
    x = 1,883.70

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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.