Home / 3,450.76-5,175.58-1,110.76

Finding the Fourth Proportional to 3,450.76, 5,175.58 and 1,110.76

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Solution

The fourth proportional to 3,450.76, 5,175.58 and 1,110.76 is: 1,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.76 : 5,175.58 = 1,110.76 : x
  2. Step 2: Convert to fraction form
    3,450.76/5,175.58 = 1,110.76/x
  3. Step 3: Cross multiply
    3,450.76x = 5,175.58 × 1,110.76
  4. Step 4: Simplify right side
    3,450.76x = 5,748,827.24
  5. Step 5: Solve for x
    x = 5,748,827.24/3,450.76
  6. Step 6: Final answer
    x = 1,665.96

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1.5x scale

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.