Home / 1,724.60-2,382.73-1,202.96

Finding the Fourth Proportional to 1,724.60, 2,382.73 and 1,202.96

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Solution

The fourth proportional to 1,724.60, 2,382.73 and 1,202.96 is: 1,662.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.60 : 2,382.73 = 1,202.96 : x
  2. Step 2: Convert to fraction form
    1,724.60/2,382.73 = 1,202.96/x
  3. Step 3: Cross multiply
    1,724.60x = 2,382.73 × 1,202.96
  4. Step 4: Simplify right side
    1,724.60x = 2,866,313.96
  5. Step 5: Solve for x
    x = 2,866,313.96/1,724.60
  6. Step 6: Final answer
    x = 1,662.02

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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.