Home / 3,926.81-5,888.99-1,152.79

Finding the Fourth Proportional to 3,926.81, 5,888.99 and 1,152.79

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Solution

The fourth proportional to 3,926.81, 5,888.99 and 1,152.79 is: 1,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.81 : 5,888.99 = 1,152.79 : x
  2. Step 2: Convert to fraction form
    3,926.81/5,888.99 = 1,152.79/x
  3. Step 3: Cross multiply
    3,926.81x = 5,888.99 × 1,152.79
  4. Step 4: Simplify right side
    3,926.81x = 6,788,768.78
  5. Step 5: Solve for x
    x = 6,788,768.78/3,926.81
  6. Step 6: Final answer
    x = 1,728.83

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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.