Home / 2,707.40-4,055.91-1,608.42

Finding the Fourth Proportional to 2,707.40, 4,055.91 and 1,608.42

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Solution

The fourth proportional to 2,707.40, 4,055.91 and 1,608.42 is: 2,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.40 : 4,055.91 = 1,608.42 : x
  2. Step 2: Convert to fraction form
    2,707.40/4,055.91 = 1,608.42/x
  3. Step 3: Cross multiply
    2,707.40x = 4,055.91 × 1,608.42
  4. Step 4: Simplify right side
    2,707.40x = 6,523,606.76
  5. Step 5: Solve for x
    x = 6,523,606.76/2,707.40
  6. Step 6: Final answer
    x = 2,409.55

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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.