Home / 1,879.89-2,592.64-1,133.69

Finding the Fourth Proportional to 1,879.89, 2,592.64 and 1,133.69

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Solution

The fourth proportional to 1,879.89, 2,592.64 and 1,133.69 is: 1,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879.89 : 2,592.64 = 1,133.69 : x
  2. Step 2: Convert to fraction form
    1,879.89/2,592.64 = 1,133.69/x
  3. Step 3: Cross multiply
    1,879.89x = 2,592.64 × 1,133.69
  4. Step 4: Simplify right side
    1,879.89x = 2,939,245.79
  5. Step 5: Solve for x
    x = 2,939,245.79/1,879.89
  6. Step 6: Final answer
    x = 1,563.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.