Home / 2,982.01-4,115.36-1,723.30

Finding the Fourth Proportional to 2,982.01, 4,115.36 and 1,723.30

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Solution

The fourth proportional to 2,982.01, 4,115.36 and 1,723.30 is: 2,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.01 : 4,115.36 = 1,723.30 : x
  2. Step 2: Convert to fraction form
    2,982.01/4,115.36 = 1,723.30/x
  3. Step 3: Cross multiply
    2,982.01x = 4,115.36 × 1,723.30
  4. Step 4: Simplify right side
    2,982.01x = 7,091,980.98
  5. Step 5: Solve for x
    x = 7,091,980.98/2,982.01
  6. Step 6: Final answer
    x = 2,378.26

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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.