Home / 1,779.41-2,669.25-1,363.55

Finding the Fourth Proportional to 1,779.41, 2,669.25 and 1,363.55

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Solution

The fourth proportional to 1,779.41, 2,669.25 and 1,363.55 is: 2,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.41 : 2,669.25 = 1,363.55 : x
  2. Step 2: Convert to fraction form
    1,779.41/2,669.25 = 1,363.55/x
  3. Step 3: Cross multiply
    1,779.41x = 2,669.25 × 1,363.55
  4. Step 4: Simplify right side
    1,779.41x = 3,639,647.60
  5. Step 5: Solve for x
    x = 3,639,647.60/1,779.41
  6. Step 6: Final answer
    x = 2,045.42

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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.