Home / 3,437.44-4,742.96-2,020.75

Finding the Fourth Proportional to 3,437.44, 4,742.96 and 2,020.75

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Solution

The fourth proportional to 3,437.44, 4,742.96 and 2,020.75 is: 2,788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.44 : 4,742.96 = 2,020.75 : x
  2. Step 2: Convert to fraction form
    3,437.44/4,742.96 = 2,020.75/x
  3. Step 3: Cross multiply
    3,437.44x = 4,742.96 × 2,020.75
  4. Step 4: Simplify right side
    3,437.44x = 9,584,314.46
  5. Step 5: Solve for x
    x = 9,584,314.46/3,437.44
  6. Step 6: Final answer
    x = 2,788.21

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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.