Home / 1,355.72-2,035.26-1,349.48

Finding the Fourth Proportional to 1,355.72, 2,035.26 and 1,349.48

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Solution

The fourth proportional to 1,355.72, 2,035.26 and 1,349.48 is: 2,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.72 : 2,035.26 = 1,349.48 : x
  2. Step 2: Convert to fraction form
    1,355.72/2,035.26 = 1,349.48/x
  3. Step 3: Cross multiply
    1,355.72x = 2,035.26 × 1,349.48
  4. Step 4: Simplify right side
    1,355.72x = 2,746,542.66
  5. Step 5: Solve for x
    x = 2,746,542.66/1,355.72
  6. Step 6: Final answer
    x = 2,025.89

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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.