Home / 3,505.03-5,257.70-1,039.80

Finding the Fourth Proportional to 3,505.03, 5,257.70 and 1,039.80

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Solution

The fourth proportional to 3,505.03, 5,257.70 and 1,039.80 is: 1,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.03 : 5,257.70 = 1,039.80 : x
  2. Step 2: Convert to fraction form
    3,505.03/5,257.70 = 1,039.80/x
  3. Step 3: Cross multiply
    3,505.03x = 5,257.70 × 1,039.80
  4. Step 4: Simplify right side
    3,505.03x = 5,466,956.46
  5. Step 5: Solve for x
    x = 5,466,956.46/3,505.03
  6. Step 6: Final answer
    x = 1,559.75

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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.