Home / 3,178.35-4,770.59-1,536.05

Finding the Fourth Proportional to 3,178.35, 4,770.59 and 1,536.05

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Solution

The fourth proportional to 3,178.35, 4,770.59 and 1,536.05 is: 2,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.35 : 4,770.59 = 1,536.05 : x
  2. Step 2: Convert to fraction form
    3,178.35/4,770.59 = 1,536.05/x
  3. Step 3: Cross multiply
    3,178.35x = 4,770.59 × 1,536.05
  4. Step 4: Simplify right side
    3,178.35x = 7,327,864.77
  5. Step 5: Solve for x
    x = 7,327,864.77/3,178.35
  6. Step 6: Final answer
    x = 2,305.56

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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.