Home / 2,982.02-4,115.10-1,723.10

Finding the Fourth Proportional to 2,982.02, 4,115.10 and 1,723.10

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Solution

The fourth proportional to 2,982.02, 4,115.10 and 1,723.10 is: 2,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.02 : 4,115.10 = 1,723.10 : x
  2. Step 2: Convert to fraction form
    2,982.02/4,115.10 = 1,723.10/x
  3. Step 3: Cross multiply
    2,982.02x = 4,115.10 × 1,723.10
  4. Step 4: Simplify right side
    2,982.02x = 7,090,728.81
  5. Step 5: Solve for x
    x = 7,090,728.81/2,982.02
  6. Step 6: Final answer
    x = 2,377.83

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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.