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Finding the Fourth Proportional to 1,805.06, 2,707.61 and 635.01

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Solution

The fourth proportional to 1,805.06, 2,707.61 and 635.01 is: 952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.06 : 2,707.61 = 635.01 : x
  2. Step 2: Convert to fraction form
    1,805.06/2,707.61 = 635.01/x
  3. Step 3: Cross multiply
    1,805.06x = 2,707.61 × 635.01
  4. Step 4: Simplify right side
    1,805.06x = 1,719,359.43
  5. Step 5: Solve for x
    x = 1,719,359.43/1,805.06
  6. Step 6: Final answer
    x = 952.52

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1.5x scale

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.