Home / 2,176.22-3,003.51-1,245.02

Finding the Fourth Proportional to 2,176.22, 3,003.51 and 1,245.02

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Solution

The fourth proportional to 2,176.22, 3,003.51 and 1,245.02 is: 1,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.22 : 3,003.51 = 1,245.02 : x
  2. Step 2: Convert to fraction form
    2,176.22/3,003.51 = 1,245.02/x
  3. Step 3: Cross multiply
    2,176.22x = 3,003.51 × 1,245.02
  4. Step 4: Simplify right side
    2,176.22x = 3,739,430.02
  5. Step 5: Solve for x
    x = 3,739,430.02/2,176.22
  6. Step 6: Final answer
    x = 1,718.31

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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.