Home / 1,779.41-2,669.61-609.56

Finding the Fourth Proportional to 1,779.41, 2,669.61 and 609.56

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Solution

The fourth proportional to 1,779.41, 2,669.61 and 609.56 is: 914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779.41 : 2,669.61 = 609.56 : x
  2. Step 2: Convert to fraction form
    1,779.41/2,669.61 = 609.56/x
  3. Step 3: Cross multiply
    1,779.41x = 2,669.61 × 609.56
  4. Step 4: Simplify right side
    1,779.41x = 1,627,287.47
  5. Step 5: Solve for x
    x = 1,627,287.47/1,779.41
  6. Step 6: Final answer
    x = 914.51

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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.