Home / 3,490.06-5,235.81-1,181.50

Finding the Fourth Proportional to 3,490.06, 5,235.81 and 1,181.50

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Solution

The fourth proportional to 3,490.06, 5,235.81 and 1,181.50 is: 1,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.06 : 5,235.81 = 1,181.50 : x
  2. Step 2: Convert to fraction form
    3,490.06/5,235.81 = 1,181.50/x
  3. Step 3: Cross multiply
    3,490.06x = 5,235.81 × 1,181.50
  4. Step 4: Simplify right side
    3,490.06x = 6,186,109.52
  5. Step 5: Solve for x
    x = 6,186,109.52/3,490.06
  6. Step 6: Final answer
    x = 1,772.49

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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.