Home / 2,320-3,477.58-1,086.38

Finding the Fourth Proportional to 2,320, 3,477.58 and 1,086.38

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Solution

The fourth proportional to 2,320, 3,477.58 and 1,086.38 is: 1,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320 : 3,477.58 = 1,086.38 : x
  2. Step 2: Convert to fraction form
    2,320/3,477.58 = 1,086.38/x
  3. Step 3: Cross multiply
    2,320x = 3,477.58 × 1,086.38
  4. Step 4: Simplify right side
    2,320x = 3,777,973.36
  5. Step 5: Solve for x
    x = 3,777,973.36/2,320
  6. Step 6: Final answer
    x = 1,628.44

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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.