Home / 2,945.06-4,415.88-2,021.66

Finding the Fourth Proportional to 2,945.06, 4,415.88 and 2,021.66

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Solution

The fourth proportional to 2,945.06, 4,415.88 and 2,021.66 is: 3,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.06 : 4,415.88 = 2,021.66 : x
  2. Step 2: Convert to fraction form
    2,945.06/4,415.88 = 2,021.66/x
  3. Step 3: Cross multiply
    2,945.06x = 4,415.88 × 2,021.66
  4. Step 4: Simplify right side
    2,945.06x = 8,927,407.96
  5. Step 5: Solve for x
    x = 8,927,407.96/2,945.06
  6. Step 6: Final answer
    x = 3,031.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.