Home / 3,586.34-5,380.07-1,120.64

Finding the Fourth Proportional to 3,586.34, 5,380.07 and 1,120.64

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Solution

The fourth proportional to 3,586.34, 5,380.07 and 1,120.64 is: 1,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.34 : 5,380.07 = 1,120.64 : x
  2. Step 2: Convert to fraction form
    3,586.34/5,380.07 = 1,120.64/x
  3. Step 3: Cross multiply
    3,586.34x = 5,380.07 × 1,120.64
  4. Step 4: Simplify right side
    3,586.34x = 6,029,089.14
  5. Step 5: Solve for x
    x = 6,029,089.14/3,586.34
  6. Step 6: Final answer
    x = 1,681.12

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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.