Home / 3,511.34-5,266.82-1,779.92

Finding the Fourth Proportional to 3,511.34, 5,266.82 and 1,779.92

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Solution

The fourth proportional to 3,511.34, 5,266.82 and 1,779.92 is: 2,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.34 : 5,266.82 = 1,779.92 : x
  2. Step 2: Convert to fraction form
    3,511.34/5,266.82 = 1,779.92/x
  3. Step 3: Cross multiply
    3,511.34x = 5,266.82 × 1,779.92
  4. Step 4: Simplify right side
    3,511.34x = 9,374,518.25
  5. Step 5: Solve for x
    x = 9,374,518.25/3,511.34
  6. Step 6: Final answer
    x = 2,669.78

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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.