Home / 3,852.69-5,779.40-1,079.37

Finding the Fourth Proportional to 3,852.69, 5,779.40 and 1,079.37

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Solution

The fourth proportional to 3,852.69, 5,779.40 and 1,079.37 is: 1,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852.69 : 5,779.40 = 1,079.37 : x
  2. Step 2: Convert to fraction form
    3,852.69/5,779.40 = 1,079.37/x
  3. Step 3: Cross multiply
    3,852.69x = 5,779.40 × 1,079.37
  4. Step 4: Simplify right side
    3,852.69x = 6,238,110.98
  5. Step 5: Solve for x
    x = 6,238,110.98/3,852.69
  6. Step 6: Final answer
    x = 1,619.16

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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.