Home / 3,436.76-5,155.14-1,907.48

Finding the Fourth Proportional to 3,436.76, 5,155.14 and 1,907.48

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Solution

The fourth proportional to 3,436.76, 5,155.14 and 1,907.48 is: 2,861.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.76 : 5,155.14 = 1,907.48 : x
  2. Step 2: Convert to fraction form
    3,436.76/5,155.14 = 1,907.48/x
  3. Step 3: Cross multiply
    3,436.76x = 5,155.14 × 1,907.48
  4. Step 4: Simplify right side
    3,436.76x = 9,833,326.45
  5. Step 5: Solve for x
    x = 9,833,326.45/3,436.76
  6. Step 6: Final answer
    x = 2,861.22

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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.