Home / 1,749.96-2,620.31-1,055.70

Finding the Fourth Proportional to 1,749.96, 2,620.31 and 1,055.70

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Solution

The fourth proportional to 1,749.96, 2,620.31 and 1,055.70 is: 1,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.96 : 2,620.31 = 1,055.70 : x
  2. Step 2: Convert to fraction form
    1,749.96/2,620.31 = 1,055.70/x
  3. Step 3: Cross multiply
    1,749.96x = 2,620.31 × 1,055.70
  4. Step 4: Simplify right side
    1,749.96x = 2,766,255.99
  5. Step 5: Solve for x
    x = 2,766,255.99/1,749.96
  6. Step 6: Final answer
    x = 1,580.75

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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.