Home / 2,020.20-2,788.20-1,888.44

Finding the Fourth Proportional to 2,020.20, 2,788.20 and 1,888.44

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Solution

The fourth proportional to 2,020.20, 2,788.20 and 1,888.44 is: 2,606.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.20 : 2,788.20 = 1,888.44 : x
  2. Step 2: Convert to fraction form
    2,020.20/2,788.20 = 1,888.44/x
  3. Step 3: Cross multiply
    2,020.20x = 2,788.20 × 1,888.44
  4. Step 4: Simplify right side
    2,020.20x = 5,265,348.41
  5. Step 5: Solve for x
    x = 5,265,348.41/2,020.20
  6. Step 6: Final answer
    x = 2,606.35

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1.5x scale

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.