Home / 2,407.44-3,615.84-1,969.32

Finding the Fourth Proportional to 2,407.44, 3,615.84 and 1,969.32

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Solution

The fourth proportional to 2,407.44, 3,615.84 and 1,969.32 is: 2,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.44 : 3,615.84 = 1,969.32 : x
  2. Step 2: Convert to fraction form
    2,407.44/3,615.84 = 1,969.32/x
  3. Step 3: Cross multiply
    2,407.44x = 3,615.84 × 1,969.32
  4. Step 4: Simplify right side
    2,407.44x = 7,120,746.03
  5. Step 5: Solve for x
    x = 7,120,746.03/2,407.44
  6. Step 6: Final answer
    x = 2,957.81

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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.