Home / 1,779.35-2,669.01-546.59

Finding the Fourth Proportional to 1,779.35, 2,669.01 and 546.59

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Solution

The fourth proportional to 1,779.35, 2,669.01 and 546.59 is: 819.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.35 : 2,669.01 = 546.59 : x
  2. Step 2: Convert to fraction form
    1,779.35/2,669.01 = 546.59/x
  3. Step 3: Cross multiply
    1,779.35x = 2,669.01 × 546.59
  4. Step 4: Simplify right side
    1,779.35x = 1,458,860.85
  5. Step 5: Solve for x
    x = 1,458,860.85/1,779.35
  6. Step 6: Final answer
    x = 819.89

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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.