Home / 1,584.33-2,365.37-1,428.81

Finding the Fourth Proportional to 1,584.33, 2,365.37 and 1,428.81

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Solution

The fourth proportional to 1,584.33, 2,365.37 and 1,428.81 is: 2,133.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.33 : 2,365.37 = 1,428.81 : x
  2. Step 2: Convert to fraction form
    1,584.33/2,365.37 = 1,428.81/x
  3. Step 3: Cross multiply
    1,584.33x = 2,365.37 × 1,428.81
  4. Step 4: Simplify right side
    1,584.33x = 3,379,657.17
  5. Step 5: Solve for x
    x = 3,379,657.17/1,584.33
  6. Step 6: Final answer
    x = 2,133.18

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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.