Home / 2,316.40-3,474.60-1,343.18

Finding the Fourth Proportional to 2,316.40, 3,474.60 and 1,343.18

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Solution

The fourth proportional to 2,316.40, 3,474.60 and 1,343.18 is: 2,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.40 : 3,474.60 = 1,343.18 : x
  2. Step 2: Convert to fraction form
    2,316.40/3,474.60 = 1,343.18/x
  3. Step 3: Cross multiply
    2,316.40x = 3,474.60 × 1,343.18
  4. Step 4: Simplify right side
    2,316.40x = 4,667,016.88
  5. Step 5: Solve for x
    x = 4,667,016.88/2,316.40
  6. Step 6: Final answer
    x = 2,014.77

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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.