Home / 1,923.36-2,884.32-1,517.28

Finding the Fourth Proportional to 1,923.36, 2,884.32 and 1,517.28

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Solution

The fourth proportional to 1,923.36, 2,884.32 and 1,517.28 is: 2,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.36 : 2,884.32 = 1,517.28 : x
  2. Step 2: Convert to fraction form
    1,923.36/2,884.32 = 1,517.28/x
  3. Step 3: Cross multiply
    1,923.36x = 2,884.32 × 1,517.28
  4. Step 4: Simplify right side
    1,923.36x = 4,376,321.05
  5. Step 5: Solve for x
    x = 4,376,321.05/1,923.36
  6. Step 6: Final answer
    x = 2,275.35

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1.5x scale

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.