Home / 2,814.65-4,222.41-1,255.19

Finding the Fourth Proportional to 2,814.65, 4,222.41 and 1,255.19

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Solution

The fourth proportional to 2,814.65, 4,222.41 and 1,255.19 is: 1,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.65 : 4,222.41 = 1,255.19 : x
  2. Step 2: Convert to fraction form
    2,814.65/4,222.41 = 1,255.19/x
  3. Step 3: Cross multiply
    2,814.65x = 4,222.41 × 1,255.19
  4. Step 4: Simplify right side
    2,814.65x = 5,299,926.81
  5. Step 5: Solve for x
    x = 5,299,926.81/2,814.65
  6. Step 6: Final answer
    x = 1,882.98

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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.