Home / 2,958.40-4,437.60-1,659.84

Finding the Fourth Proportional to 2,958.40, 4,437.60 and 1,659.84

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Solution

The fourth proportional to 2,958.40, 4,437.60 and 1,659.84 is: 2,489.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.40 : 4,437.60 = 1,659.84 : x
  2. Step 2: Convert to fraction form
    2,958.40/4,437.60 = 1,659.84/x
  3. Step 3: Cross multiply
    2,958.40x = 4,437.60 × 1,659.84
  4. Step 4: Simplify right side
    2,958.40x = 7,365,705.98
  5. Step 5: Solve for x
    x = 7,365,705.98/2,958.40
  6. Step 6: Final answer
    x = 2,489.76

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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.