Home / 1,161.20-1,741.79-295.50

Finding the Fourth Proportional to 1,161.20, 1,741.79 and 295.50

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Solution

The fourth proportional to 1,161.20, 1,741.79 and 295.50 is: 443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.20 : 1,741.79 = 295.50 : x
  2. Step 2: Convert to fraction form
    1,161.20/1,741.79 = 295.50/x
  3. Step 3: Cross multiply
    1,161.20x = 1,741.79 × 295.50
  4. Step 4: Simplify right side
    1,161.20x = 514,697.47
  5. Step 5: Solve for x
    x = 514,697.47/1,161.20
  6. Step 6: Final answer
    x = 443.25

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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.