Home / 2,999.91-4,139.90-1,741.72

Finding the Fourth Proportional to 2,999.91, 4,139.90 and 1,741.72

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Solution

The fourth proportional to 2,999.91, 4,139.90 and 1,741.72 is: 2,403.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.91 : 4,139.90 = 1,741.72 : x
  2. Step 2: Convert to fraction form
    2,999.91/4,139.90 = 1,741.72/x
  3. Step 3: Cross multiply
    2,999.91x = 4,139.90 × 1,741.72
  4. Step 4: Simplify right side
    2,999.91x = 7,210,546.63
  5. Step 5: Solve for x
    x = 7,210,546.63/2,999.91
  6. Step 6: Final answer
    x = 2,403.59

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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.