Home / 3,187.23-4,780.81-2,246.30

Finding the Fourth Proportional to 3,187.23, 4,780.81 and 2,246.30

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Solution

The fourth proportional to 3,187.23, 4,780.81 and 2,246.30 is: 3,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.23 : 4,780.81 = 2,246.30 : x
  2. Step 2: Convert to fraction form
    3,187.23/4,780.81 = 2,246.30/x
  3. Step 3: Cross multiply
    3,187.23x = 4,780.81 × 2,246.30
  4. Step 4: Simplify right side
    3,187.23x = 10,739,133.50
  5. Step 5: Solve for x
    x = 10,739,133.50/3,187.23
  6. Step 6: Final answer
    x = 3,369.43

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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.