Home / 2,972.01-4,459.05-1,328.73

Finding the Fourth Proportional to 2,972.01, 4,459.05 and 1,328.73

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Solution

The fourth proportional to 2,972.01, 4,459.05 and 1,328.73 is: 1,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.01 : 4,459.05 = 1,328.73 : x
  2. Step 2: Convert to fraction form
    2,972.01/4,459.05 = 1,328.73/x
  3. Step 3: Cross multiply
    2,972.01x = 4,459.05 × 1,328.73
  4. Step 4: Simplify right side
    2,972.01x = 5,924,873.51
  5. Step 5: Solve for x
    x = 5,924,873.51/2,972.01
  6. Step 6: Final answer
    x = 1,993.56

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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.