Home / 1,749.68-2,616.41-1,355.21

Finding the Fourth Proportional to 1,749.68, 2,616.41 and 1,355.21

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Solution

The fourth proportional to 1,749.68, 2,616.41 and 1,355.21 is: 2,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.68 : 2,616.41 = 1,355.21 : x
  2. Step 2: Convert to fraction form
    1,749.68/2,616.41 = 1,355.21/x
  3. Step 3: Cross multiply
    1,749.68x = 2,616.41 × 1,355.21
  4. Step 4: Simplify right side
    1,749.68x = 3,545,785.00
  5. Step 5: Solve for x
    x = 3,545,785.00/1,749.68
  6. Step 6: Final answer
    x = 2,026.53

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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.