Home / 2,409.52-3,615.96-1,111.84

Finding the Fourth Proportional to 2,409.52, 3,615.96 and 1,111.84

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Solution

The fourth proportional to 2,409.52, 3,615.96 and 1,111.84 is: 1,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.52 : 3,615.96 = 1,111.84 : x
  2. Step 2: Convert to fraction form
    2,409.52/3,615.96 = 1,111.84/x
  3. Step 3: Cross multiply
    2,409.52x = 3,615.96 × 1,111.84
  4. Step 4: Simplify right side
    2,409.52x = 4,020,368.97
  5. Step 5: Solve for x
    x = 4,020,368.97/2,409.52
  6. Step 6: Final answer
    x = 1,668.54

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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.