Home / 3,521.29-5,281.76-1,181.33

Finding the Fourth Proportional to 3,521.29, 5,281.76 and 1,181.33

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Solution

The fourth proportional to 3,521.29, 5,281.76 and 1,181.33 is: 1,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.29 : 5,281.76 = 1,181.33 : x
  2. Step 2: Convert to fraction form
    3,521.29/5,281.76 = 1,181.33/x
  3. Step 3: Cross multiply
    3,521.29x = 5,281.76 × 1,181.33
  4. Step 4: Simplify right side
    3,521.29x = 6,239,475.13
  5. Step 5: Solve for x
    x = 6,239,475.13/3,521.29
  6. Step 6: Final answer
    x = 1,771.93

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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.