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Finding the Fourth Proportional to 2,285.51, 3,428.33 and 804.29

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Solution

The fourth proportional to 2,285.51, 3,428.33 and 804.29 is: 1,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.51 : 3,428.33 = 804.29 : x
  2. Step 2: Convert to fraction form
    2,285.51/3,428.33 = 804.29/x
  3. Step 3: Cross multiply
    2,285.51x = 3,428.33 × 804.29
  4. Step 4: Simplify right side
    2,285.51x = 2,757,350.37
  5. Step 5: Solve for x
    x = 2,757,350.37/2,285.51
  6. Step 6: Final answer
    x = 1,206.45

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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.