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Finding the Fourth Proportional to 3,030.01, 4,179.54 and 1,982.05

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Solution

The fourth proportional to 3,030.01, 4,179.54 and 1,982.05 is: 2,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.01 : 4,179.54 = 1,982.05 : x
  2. Step 2: Convert to fraction form
    3,030.01/4,179.54 = 1,982.05/x
  3. Step 3: Cross multiply
    3,030.01x = 4,179.54 × 1,982.05
  4. Step 4: Simplify right side
    3,030.01x = 8,284,057.26
  5. Step 5: Solve for x
    x = 8,284,057.26/3,030.01
  6. Step 6: Final answer
    x = 2,734.00

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1.5x scale

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.