Home / 3,450.13-5,175.20-1,141.63

Finding the Fourth Proportional to 3,450.13, 5,175.20 and 1,141.63

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Solution

The fourth proportional to 3,450.13, 5,175.20 and 1,141.63 is: 1,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.13 : 5,175.20 = 1,141.63 : x
  2. Step 2: Convert to fraction form
    3,450.13/5,175.20 = 1,141.63/x
  3. Step 3: Cross multiply
    3,450.13x = 5,175.20 × 1,141.63
  4. Step 4: Simplify right side
    3,450.13x = 5,908,157.87
  5. Step 5: Solve for x
    x = 5,908,157.87/3,450.13
  6. Step 6: Final answer
    x = 1,712.45

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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.