Home / 2,038.75-3,043.43-1,886.60

Finding the Fourth Proportional to 2,038.75, 3,043.43 and 1,886.60

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Solution

The fourth proportional to 2,038.75, 3,043.43 and 1,886.60 is: 2,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.75 : 3,043.43 = 1,886.60 : x
  2. Step 2: Convert to fraction form
    2,038.75/3,043.43 = 1,886.60/x
  3. Step 3: Cross multiply
    2,038.75x = 3,043.43 × 1,886.60
  4. Step 4: Simplify right side
    2,038.75x = 5,741,740.29
  5. Step 5: Solve for x
    x = 5,741,740.29/2,038.75
  6. Step 6: Final answer
    x = 2,816.31

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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.