Home / 2,030.12-3,043.80-1,251.60

Finding the Fourth Proportional to 2,030.12, 3,043.80 and 1,251.60

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Solution

The fourth proportional to 2,030.12, 3,043.80 and 1,251.60 is: 1,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.12 : 3,043.80 = 1,251.60 : x
  2. Step 2: Convert to fraction form
    2,030.12/3,043.80 = 1,251.60/x
  3. Step 3: Cross multiply
    2,030.12x = 3,043.80 × 1,251.60
  4. Step 4: Simplify right side
    2,030.12x = 3,809,620.08
  5. Step 5: Solve for x
    x = 3,809,620.08/2,030.12
  6. Step 6: Final answer
    x = 1,876.55

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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.