Home / 2,927.07-4,038.26-1,879.74

Finding the Fourth Proportional to 2,927.07, 4,038.26 and 1,879.74

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Solution

The fourth proportional to 2,927.07, 4,038.26 and 1,879.74 is: 2,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.07 : 4,038.26 = 1,879.74 : x
  2. Step 2: Convert to fraction form
    2,927.07/4,038.26 = 1,879.74/x
  3. Step 3: Cross multiply
    2,927.07x = 4,038.26 × 1,879.74
  4. Step 4: Simplify right side
    2,927.07x = 7,590,869.45
  5. Step 5: Solve for x
    x = 7,590,869.45/2,927.07
  6. Step 6: Final answer
    x = 2,593.33

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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.