Home / 2,999.77-4,139.67-1,673.46

Finding the Fourth Proportional to 2,999.77, 4,139.67 and 1,673.46

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Solution

The fourth proportional to 2,999.77, 4,139.67 and 1,673.46 is: 2,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.77 : 4,139.67 = 1,673.46 : x
  2. Step 2: Convert to fraction form
    2,999.77/4,139.67 = 1,673.46/x
  3. Step 3: Cross multiply
    2,999.77x = 4,139.67 × 1,673.46
  4. Step 4: Simplify right side
    2,999.77x = 6,927,578.43
  5. Step 5: Solve for x
    x = 6,927,578.43/2,999.77
  6. Step 6: Final answer
    x = 2,309.37

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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.