Home / 1,945.73-2,917.52-1,330.13

Finding the Fourth Proportional to 1,945.73, 2,917.52 and 1,330.13

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Solution

The fourth proportional to 1,945.73, 2,917.52 and 1,330.13 is: 1,994.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.73 : 2,917.52 = 1,330.13 : x
  2. Step 2: Convert to fraction form
    1,945.73/2,917.52 = 1,330.13/x
  3. Step 3: Cross multiply
    1,945.73x = 2,917.52 × 1,330.13
  4. Step 4: Simplify right side
    1,945.73x = 3,880,680.88
  5. Step 5: Solve for x
    x = 3,880,680.88/1,945.73
  6. Step 6: Final answer
    x = 1,994.46

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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.