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Finding the Fourth Proportional to 1,944.05, 2,916.06 and 483.20

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Solution

The fourth proportional to 1,944.05, 2,916.06 and 483.20 is: 724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.05 : 2,916.06 = 483.20 : x
  2. Step 2: Convert to fraction form
    1,944.05/2,916.06 = 483.20/x
  3. Step 3: Cross multiply
    1,944.05x = 2,916.06 × 483.20
  4. Step 4: Simplify right side
    1,944.05x = 1,409,036.55
  5. Step 5: Solve for x
    x = 1,409,036.55/1,944.05
  6. Step 6: Final answer
    x = 724.79

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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.