Home / 2,442.62-3,661.70-1,055.09

Finding the Fourth Proportional to 2,442.62, 3,661.70 and 1,055.09

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Solution

The fourth proportional to 2,442.62, 3,661.70 and 1,055.09 is: 1,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.62 : 3,661.70 = 1,055.09 : x
  2. Step 2: Convert to fraction form
    2,442.62/3,661.70 = 1,055.09/x
  3. Step 3: Cross multiply
    2,442.62x = 3,661.70 × 1,055.09
  4. Step 4: Simplify right side
    2,442.62x = 3,863,423.05
  5. Step 5: Solve for x
    x = 3,863,423.05/2,442.62
  6. Step 6: Final answer
    x = 1,581.67

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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.