Home / 2,921.96-4,380.60-1,460.36

Finding the Fourth Proportional to 2,921.96, 4,380.60 and 1,460.36

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Solution

The fourth proportional to 2,921.96, 4,380.60 and 1,460.36 is: 2,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.96 : 4,380.60 = 1,460.36 : x
  2. Step 2: Convert to fraction form
    2,921.96/4,380.60 = 1,460.36/x
  3. Step 3: Cross multiply
    2,921.96x = 4,380.60 × 1,460.36
  4. Step 4: Simplify right side
    2,921.96x = 6,397,253.02
  5. Step 5: Solve for x
    x = 6,397,253.02/2,921.96
  6. Step 6: Final answer
    x = 2,189.37

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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.