Home / 2,816.39-4,225.03-1,256.94

Finding the Fourth Proportional to 2,816.39, 4,225.03 and 1,256.94

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Solution

The fourth proportional to 2,816.39, 4,225.03 and 1,256.94 is: 1,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.39 : 4,225.03 = 1,256.94 : x
  2. Step 2: Convert to fraction form
    2,816.39/4,225.03 = 1,256.94/x
  3. Step 3: Cross multiply
    2,816.39x = 4,225.03 × 1,256.94
  4. Step 4: Simplify right side
    2,816.39x = 5,310,606.07
  5. Step 5: Solve for x
    x = 5,310,606.07/2,816.39
  6. Step 6: Final answer
    x = 1,885.61

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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.