Home / 1,923.97-2,655.20-1,084.60

Finding the Fourth Proportional to 1,923.97, 2,655.20 and 1,084.60

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Solution

The fourth proportional to 1,923.97, 2,655.20 and 1,084.60 is: 1,496.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.97 : 2,655.20 = 1,084.60 : x
  2. Step 2: Convert to fraction form
    1,923.97/2,655.20 = 1,084.60/x
  3. Step 3: Cross multiply
    1,923.97x = 2,655.20 × 1,084.60
  4. Step 4: Simplify right side
    1,923.97x = 2,879,825.99
  5. Step 5: Solve for x
    x = 2,879,825.99/1,923.97
  6. Step 6: Final answer
    x = 1,496.82

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1.5x scale

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.