Home / 1,779.44-2,457.77-1,306.66

Finding the Fourth Proportional to 1,779.44, 2,457.77 and 1,306.66

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Solution

The fourth proportional to 1,779.44, 2,457.77 and 1,306.66 is: 1,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.44 : 2,457.77 = 1,306.66 : x
  2. Step 2: Convert to fraction form
    1,779.44/2,457.77 = 1,306.66/x
  3. Step 3: Cross multiply
    1,779.44x = 2,457.77 × 1,306.66
  4. Step 4: Simplify right side
    1,779.44x = 3,211,469.75
  5. Step 5: Solve for x
    x = 3,211,469.75/1,779.44
  6. Step 6: Final answer
    x = 1,804.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.