Home / 2,256.80-3,382.36-1,283.45

Finding the Fourth Proportional to 2,256.80, 3,382.36 and 1,283.45

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Solution

The fourth proportional to 2,256.80, 3,382.36 and 1,283.45 is: 1,923.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.80 : 3,382.36 = 1,283.45 : x
  2. Step 2: Convert to fraction form
    2,256.80/3,382.36 = 1,283.45/x
  3. Step 3: Cross multiply
    2,256.80x = 3,382.36 × 1,283.45
  4. Step 4: Simplify right side
    2,256.80x = 4,341,069.82
  5. Step 5: Solve for x
    x = 4,341,069.82/2,256.80
  6. Step 6: Final answer
    x = 1,923.56

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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.