Home / 3,178.51-4,768.22-1,204.88

Finding the Fourth Proportional to 3,178.51, 4,768.22 and 1,204.88

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Solution

The fourth proportional to 3,178.51, 4,768.22 and 1,204.88 is: 1,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.51 : 4,768.22 = 1,204.88 : x
  2. Step 2: Convert to fraction form
    3,178.51/4,768.22 = 1,204.88/x
  3. Step 3: Cross multiply
    3,178.51x = 4,768.22 × 1,204.88
  4. Step 4: Simplify right side
    3,178.51x = 5,745,126.89
  5. Step 5: Solve for x
    x = 5,745,126.89/3,178.51
  6. Step 6: Final answer
    x = 1,807.49

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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.