Home / 1,944.30-2,917.57-1,020.70

Finding the Fourth Proportional to 1,944.30, 2,917.57 and 1,020.70

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Solution

The fourth proportional to 1,944.30, 2,917.57 and 1,020.70 is: 1,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.30 : 2,917.57 = 1,020.70 : x
  2. Step 2: Convert to fraction form
    1,944.30/2,917.57 = 1,020.70/x
  3. Step 3: Cross multiply
    1,944.30x = 2,917.57 × 1,020.70
  4. Step 4: Simplify right side
    1,944.30x = 2,977,963.70
  5. Step 5: Solve for x
    x = 2,977,963.70/1,944.30
  6. Step 6: Final answer
    x = 1,531.64

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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.