Home / 2,403.75-3,606.26-2,142

Finding the Fourth Proportional to 2,403.75, 3,606.26 and 2,142

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Solution

The fourth proportional to 2,403.75, 3,606.26 and 2,142 is: 3,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.75 : 3,606.26 = 2,142 : x
  2. Step 2: Convert to fraction form
    2,403.75/3,606.26 = 2,142/x
  3. Step 3: Cross multiply
    2,403.75x = 3,606.26 × 2,142
  4. Step 4: Simplify right side
    2,403.75x = 7,724,598.21
  5. Step 5: Solve for x
    x = 7,724,598.21/2,403.75
  6. Step 6: Final answer
    x = 3,213.56

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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.