Home / 1,923.28-2,651.96-1,643.04

Finding the Fourth Proportional to 1,923.28, 2,651.96 and 1,643.04

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Solution

The fourth proportional to 1,923.28, 2,651.96 and 1,643.04 is: 2,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.28 : 2,651.96 = 1,643.04 : x
  2. Step 2: Convert to fraction form
    1,923.28/2,651.96 = 1,643.04/x
  3. Step 3: Cross multiply
    1,923.28x = 2,651.96 × 1,643.04
  4. Step 4: Simplify right side
    1,923.28x = 4,357,276.36
  5. Step 5: Solve for x
    x = 4,357,276.36/1,923.28
  6. Step 6: Final answer
    x = 2,265.54

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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.