Home / 3,586.48-5,381.10-1,396.75

Finding the Fourth Proportional to 3,586.48, 5,381.10 and 1,396.75

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Solution

The fourth proportional to 3,586.48, 5,381.10 and 1,396.75 is: 2,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.48 : 5,381.10 = 1,396.75 : x
  2. Step 2: Convert to fraction form
    3,586.48/5,381.10 = 1,396.75/x
  3. Step 3: Cross multiply
    3,586.48x = 5,381.10 × 1,396.75
  4. Step 4: Simplify right side
    3,586.48x = 7,516,051.43
  5. Step 5: Solve for x
    x = 7,516,051.43/3,586.48
  6. Step 6: Final answer
    x = 2,095.66

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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.