Home / 3,436.41-5,154.62-839.34

Finding the Fourth Proportional to 3,436.41, 5,154.62 and 839.34

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Solution

The fourth proportional to 3,436.41, 5,154.62 and 839.34 is: 1,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.41 : 5,154.62 = 839.34 : x
  2. Step 2: Convert to fraction form
    3,436.41/5,154.62 = 839.34/x
  3. Step 3: Cross multiply
    3,436.41x = 5,154.62 × 839.34
  4. Step 4: Simplify right side
    3,436.41x = 4,326,474.55
  5. Step 5: Solve for x
    x = 4,326,474.55/3,436.41
  6. Step 6: Final answer
    x = 1,259.01

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Similar ratio
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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.