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Finding the Fourth Proportional to 1,903.08, 2,628.05 and 1,799.54

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Solution

The fourth proportional to 1,903.08, 2,628.05 and 1,799.54 is: 2,485.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.08 : 2,628.05 = 1,799.54 : x
  2. Step 2: Convert to fraction form
    1,903.08/2,628.05 = 1,799.54/x
  3. Step 3: Cross multiply
    1,903.08x = 2,628.05 × 1,799.54
  4. Step 4: Simplify right side
    1,903.08x = 4,729,281.10
  5. Step 5: Solve for x
    x = 4,729,281.10/1,903.08
  6. Step 6: Final answer
    x = 2,485.07

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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.