Home / 1,436.39-2,154.60-1,149.65

Finding the Fourth Proportional to 1,436.39, 2,154.60 and 1,149.65

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Solution

The fourth proportional to 1,436.39, 2,154.60 and 1,149.65 is: 1,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.39 : 2,154.60 = 1,149.65 : x
  2. Step 2: Convert to fraction form
    1,436.39/2,154.60 = 1,149.65/x
  3. Step 3: Cross multiply
    1,436.39x = 2,154.60 × 1,149.65
  4. Step 4: Simplify right side
    1,436.39x = 2,477,035.89
  5. Step 5: Solve for x
    x = 2,477,035.89/1,436.39
  6. Step 6: Final answer
    x = 1,724.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.