Home / 1,779.62-2,669.91-1,608.26

Finding the Fourth Proportional to 1,779.62, 2,669.91 and 1,608.26

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Solution

The fourth proportional to 1,779.62, 2,669.91 and 1,608.26 is: 2,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.62 : 2,669.91 = 1,608.26 : x
  2. Step 2: Convert to fraction form
    1,779.62/2,669.91 = 1,608.26/x
  3. Step 3: Cross multiply
    1,779.62x = 2,669.91 × 1,608.26
  4. Step 4: Simplify right side
    1,779.62x = 4,293,909.46
  5. Step 5: Solve for x
    x = 4,293,909.46/1,779.62
  6. Step 6: Final answer
    x = 2,412.82

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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.