Home / 3,521.77-5,281.00-1,181.34

Finding the Fourth Proportional to 3,521.77, 5,281.00 and 1,181.34

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Solution

The fourth proportional to 3,521.77, 5,281.00 and 1,181.34 is: 1,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.77 : 5,281.00 = 1,181.34 : x
  2. Step 2: Convert to fraction form
    3,521.77/5,281.00 = 1,181.34/x
  3. Step 3: Cross multiply
    3,521.77x = 5,281.00 × 1,181.34
  4. Step 4: Simplify right side
    3,521.77x = 6,238,653.59
  5. Step 5: Solve for x
    x = 6,238,653.59/3,521.77
  6. Step 6: Final answer
    x = 1,771.46

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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.