Home / 2,409.76-3,607.75-1,796.32

Finding the Fourth Proportional to 2,409.76, 3,607.75 and 1,796.32

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Solution

The fourth proportional to 2,409.76, 3,607.75 and 1,796.32 is: 2,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.76 : 3,607.75 = 1,796.32 : x
  2. Step 2: Convert to fraction form
    2,409.76/3,607.75 = 1,796.32/x
  3. Step 3: Cross multiply
    2,409.76x = 3,607.75 × 1,796.32
  4. Step 4: Simplify right side
    2,409.76x = 6,480,673.48
  5. Step 5: Solve for x
    x = 6,480,673.48/2,409.76
  6. Step 6: Final answer
    x = 2,689.34

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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.