Home / 1,779.36-2,673.69-1,668.66

Finding the Fourth Proportional to 1,779.36, 2,673.69 and 1,668.66

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Solution

The fourth proportional to 1,779.36, 2,673.69 and 1,668.66 is: 2,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.36 : 2,673.69 = 1,668.66 : x
  2. Step 2: Convert to fraction form
    1,779.36/2,673.69 = 1,668.66/x
  3. Step 3: Cross multiply
    1,779.36x = 2,673.69 × 1,668.66
  4. Step 4: Simplify right side
    1,779.36x = 4,461,479.56
  5. Step 5: Solve for x
    x = 4,461,479.56/1,779.36
  6. Step 6: Final answer
    x = 2,507.35

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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.