Home / 1,682.43-2,320-1,184.28

Finding the Fourth Proportional to 1,682.43, 2,320 and 1,184.28

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Solution

The fourth proportional to 1,682.43, 2,320 and 1,184.28 is: 1,633.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.43 : 2,320 = 1,184.28 : x
  2. Step 2: Convert to fraction form
    1,682.43/2,320 = 1,184.28/x
  3. Step 3: Cross multiply
    1,682.43x = 2,320 × 1,184.28
  4. Step 4: Simplify right side
    1,682.43x = 2,747,529.60
  5. Step 5: Solve for x
    x = 2,747,529.60/1,682.43
  6. Step 6: Final answer
    x = 1,633.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.