Home / 3,580.34-5,368.50-1,239.03

Finding the Fourth Proportional to 3,580.34, 5,368.50 and 1,239.03

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Solution

The fourth proportional to 3,580.34, 5,368.50 and 1,239.03 is: 1,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.34 : 5,368.50 = 1,239.03 : x
  2. Step 2: Convert to fraction form
    3,580.34/5,368.50 = 1,239.03/x
  3. Step 3: Cross multiply
    3,580.34x = 5,368.50 × 1,239.03
  4. Step 4: Simplify right side
    3,580.34x = 6,651,732.56
  5. Step 5: Solve for x
    x = 6,651,732.56/3,580.34
  6. Step 6: Final answer
    x = 1,857.85

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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.