Home / 3,910.51-5,864.67-1,962.19

Finding the Fourth Proportional to 3,910.51, 5,864.67 and 1,962.19

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Solution

The fourth proportional to 3,910.51, 5,864.67 and 1,962.19 is: 2,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.51 : 5,864.67 = 1,962.19 : x
  2. Step 2: Convert to fraction form
    3,910.51/5,864.67 = 1,962.19/x
  3. Step 3: Cross multiply
    3,910.51x = 5,864.67 × 1,962.19
  4. Step 4: Simplify right side
    3,910.51x = 11,507,596.83
  5. Step 5: Solve for x
    x = 11,507,596.83/3,910.51
  6. Step 6: Final answer
    x = 2,942.74

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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.