Home / 1,781.04-2,668.29-1,608.81

Finding the Fourth Proportional to 1,781.04, 2,668.29 and 1,608.81

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Solution

The fourth proportional to 1,781.04, 2,668.29 and 1,608.81 is: 2,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.04 : 2,668.29 = 1,608.81 : x
  2. Step 2: Convert to fraction form
    1,781.04/2,668.29 = 1,608.81/x
  3. Step 3: Cross multiply
    1,781.04x = 2,668.29 × 1,608.81
  4. Step 4: Simplify right side
    1,781.04x = 4,292,779.65
  5. Step 5: Solve for x
    x = 4,292,779.65/1,781.04
  6. Step 6: Final answer
    x = 2,410.27

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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.