Home / 3,436.09-5,154.14-1,243.94

Finding the Fourth Proportional to 3,436.09, 5,154.14 and 1,243.94

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Solution

The fourth proportional to 3,436.09, 5,154.14 and 1,243.94 is: 1,865.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.09 : 5,154.14 = 1,243.94 : x
  2. Step 2: Convert to fraction form
    3,436.09/5,154.14 = 1,243.94/x
  3. Step 3: Cross multiply
    3,436.09x = 5,154.14 × 1,243.94
  4. Step 4: Simplify right side
    3,436.09x = 6,411,418.25
  5. Step 5: Solve for x
    x = 6,411,418.25/3,436.09
  6. Step 6: Final answer
    x = 1,865.91

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1.5x scale

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.