Home / 2,900.60-4,003.26-2,427.80

Finding the Fourth Proportional to 2,900.60, 4,003.26 and 2,427.80

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Solution

The fourth proportional to 2,900.60, 4,003.26 and 2,427.80 is: 3,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.60 : 4,003.26 = 2,427.80 : x
  2. Step 2: Convert to fraction form
    2,900.60/4,003.26 = 2,427.80/x
  3. Step 3: Cross multiply
    2,900.60x = 4,003.26 × 2,427.80
  4. Step 4: Simplify right side
    2,900.60x = 9,719,114.63
  5. Step 5: Solve for x
    x = 9,719,114.63/2,900.60
  6. Step 6: Final answer
    x = 3,350.73

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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.