Home / 1,834.31-2,528.39-1,435.28

Finding the Fourth Proportional to 1,834.31, 2,528.39 and 1,435.28

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Solution

The fourth proportional to 1,834.31, 2,528.39 and 1,435.28 is: 1,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.31 : 2,528.39 = 1,435.28 : x
  2. Step 2: Convert to fraction form
    1,834.31/2,528.39 = 1,435.28/x
  3. Step 3: Cross multiply
    1,834.31x = 2,528.39 × 1,435.28
  4. Step 4: Simplify right side
    1,834.31x = 3,628,947.60
  5. Step 5: Solve for x
    x = 3,628,947.60/1,834.31
  6. Step 6: Final answer
    x = 1,978.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.