Home / 3,405.60-5,106.38-1,064.97

Finding the Fourth Proportional to 3,405.60, 5,106.38 and 1,064.97

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Solution

The fourth proportional to 3,405.60, 5,106.38 and 1,064.97 is: 1,596.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.60 : 5,106.38 = 1,064.97 : x
  2. Step 2: Convert to fraction form
    3,405.60/5,106.38 = 1,064.97/x
  3. Step 3: Cross multiply
    3,405.60x = 5,106.38 × 1,064.97
  4. Step 4: Simplify right side
    3,405.60x = 5,438,136.18
  5. Step 5: Solve for x
    x = 5,438,136.18/3,405.60
  6. Step 6: Final answer
    x = 1,596.82

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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.