Home / 2,290.20-3,437.72-2,173.56

Finding the Fourth Proportional to 2,290.20, 3,437.72 and 2,173.56

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Solution

The fourth proportional to 2,290.20, 3,437.72 and 2,173.56 is: 3,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.20 : 3,437.72 = 2,173.56 : x
  2. Step 2: Convert to fraction form
    2,290.20/3,437.72 = 2,173.56/x
  3. Step 3: Cross multiply
    2,290.20x = 3,437.72 × 2,173.56
  4. Step 4: Simplify right side
    2,290.20x = 7,472,090.68
  5. Step 5: Solve for x
    x = 7,472,090.68/2,290.20
  6. Step 6: Final answer
    x = 3,262.64

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1.5x scale

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.