Home / 1,948.56-2,917.74-1,556.76

Finding the Fourth Proportional to 1,948.56, 2,917.74 and 1,556.76

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Solution

The fourth proportional to 1,948.56, 2,917.74 and 1,556.76 is: 2,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948.56 : 2,917.74 = 1,556.76 : x
  2. Step 2: Convert to fraction form
    1,948.56/2,917.74 = 1,556.76/x
  3. Step 3: Cross multiply
    1,948.56x = 2,917.74 × 1,556.76
  4. Step 4: Simplify right side
    1,948.56x = 4,542,220.92
  5. Step 5: Solve for x
    x = 4,542,220.92/1,948.56
  6. Step 6: Final answer
    x = 2,331.07

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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.