Home / 3,436.42-5,154.49-1,355.80

Finding the Fourth Proportional to 3,436.42, 5,154.49 and 1,355.80

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Solution

The fourth proportional to 3,436.42, 5,154.49 and 1,355.80 is: 2,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.42 : 5,154.49 = 1,355.80 : x
  2. Step 2: Convert to fraction form
    3,436.42/5,154.49 = 1,355.80/x
  3. Step 3: Cross multiply
    3,436.42x = 5,154.49 × 1,355.80
  4. Step 4: Simplify right side
    3,436.42x = 6,988,457.54
  5. Step 5: Solve for x
    x = 6,988,457.54/3,436.42
  6. Step 6: Final answer
    x = 2,033.64

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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.