Home / 3,487.06-5,231.37-1,178.50

Finding the Fourth Proportional to 3,487.06, 5,231.37 and 1,178.50

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Solution

The fourth proportional to 3,487.06, 5,231.37 and 1,178.50 is: 1,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.06 : 5,231.37 = 1,178.50 : x
  2. Step 2: Convert to fraction form
    3,487.06/5,231.37 = 1,178.50/x
  3. Step 3: Cross multiply
    3,487.06x = 5,231.37 × 1,178.50
  4. Step 4: Simplify right side
    3,487.06x = 6,165,169.55
  5. Step 5: Solve for x
    x = 6,165,169.55/3,487.06
  6. Step 6: Final answer
    x = 1,768.01

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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.