Home / 2,979.37-4,110.67-1,783.88

Finding the Fourth Proportional to 2,979.37, 4,110.67 and 1,783.88

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Solution

The fourth proportional to 2,979.37, 4,110.67 and 1,783.88 is: 2,461.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.37 : 4,110.67 = 1,783.88 : x
  2. Step 2: Convert to fraction form
    2,979.37/4,110.67 = 1,783.88/x
  3. Step 3: Cross multiply
    2,979.37x = 4,110.67 × 1,783.88
  4. Step 4: Simplify right side
    2,979.37x = 7,332,950.14
  5. Step 5: Solve for x
    x = 7,332,950.14/2,979.37
  6. Step 6: Final answer
    x = 2,461.25

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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.