Home / 3,421.83-5,133.27-1,231.08

Finding the Fourth Proportional to 3,421.83, 5,133.27 and 1,231.08

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Solution

The fourth proportional to 3,421.83, 5,133.27 and 1,231.08 is: 1,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.83 : 5,133.27 = 1,231.08 : x
  2. Step 2: Convert to fraction form
    3,421.83/5,133.27 = 1,231.08/x
  3. Step 3: Cross multiply
    3,421.83x = 5,133.27 × 1,231.08
  4. Step 4: Simplify right side
    3,421.83x = 6,319,466.03
  5. Step 5: Solve for x
    x = 6,319,466.03/3,421.83
  6. Step 6: Final answer
    x = 1,846.81

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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.