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Finding the Fourth Proportional to 1,901.08, 2,825.95 and 1,845.01

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Solution

The fourth proportional to 1,901.08, 2,825.95 and 1,845.01 is: 2,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.08 : 2,825.95 = 1,845.01 : x
  2. Step 2: Convert to fraction form
    1,901.08/2,825.95 = 1,845.01/x
  3. Step 3: Cross multiply
    1,901.08x = 2,825.95 × 1,845.01
  4. Step 4: Simplify right side
    1,901.08x = 5,213,906.01
  5. Step 5: Solve for x
    x = 5,213,906.01/1,901.08
  6. Step 6: Final answer
    x = 2,742.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.