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Finding the Fourth Proportional to 1,804.75, 2,707.40 and 635.07

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Solution

The fourth proportional to 1,804.75, 2,707.40 and 635.07 is: 952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804.75 : 2,707.40 = 635.07 : x
  2. Step 2: Convert to fraction form
    1,804.75/2,707.40 = 635.07/x
  3. Step 3: Cross multiply
    1,804.75x = 2,707.40 × 635.07
  4. Step 4: Simplify right side
    1,804.75x = 1,719,388.52
  5. Step 5: Solve for x
    x = 1,719,388.52/1,804.75
  6. Step 6: Final answer
    x = 952.70

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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.