Home / 2,318.40-3,474.36-1,740.60

Finding the Fourth Proportional to 2,318.40, 3,474.36 and 1,740.60

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Solution

The fourth proportional to 2,318.40, 3,474.36 and 1,740.60 is: 2,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.40 : 3,474.36 = 1,740.60 : x
  2. Step 2: Convert to fraction form
    2,318.40/3,474.36 = 1,740.60/x
  3. Step 3: Cross multiply
    2,318.40x = 3,474.36 × 1,740.60
  4. Step 4: Simplify right side
    2,318.40x = 6,047,471.02
  5. Step 5: Solve for x
    x = 6,047,471.02/2,318.40
  6. Step 6: Final answer
    x = 2,608.47

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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.