Home / 3,450.58-5,175.34-1,259.31

Finding the Fourth Proportional to 3,450.58, 5,175.34 and 1,259.31

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Solution

The fourth proportional to 3,450.58, 5,175.34 and 1,259.31 is: 1,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.58 : 5,175.34 = 1,259.31 : x
  2. Step 2: Convert to fraction form
    3,450.58/5,175.34 = 1,259.31/x
  3. Step 3: Cross multiply
    3,450.58x = 5,175.34 × 1,259.31
  4. Step 4: Simplify right side
    3,450.58x = 6,517,373.67
  5. Step 5: Solve for x
    x = 6,517,373.67/3,450.58
  6. Step 6: Final answer
    x = 1,888.78

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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.