Home / 2,242.36-3,094.33-1,247.64

Finding the Fourth Proportional to 2,242.36, 3,094.33 and 1,247.64

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Solution

The fourth proportional to 2,242.36, 3,094.33 and 1,247.64 is: 1,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.36 : 3,094.33 = 1,247.64 : x
  2. Step 2: Convert to fraction form
    2,242.36/3,094.33 = 1,247.64/x
  3. Step 3: Cross multiply
    2,242.36x = 3,094.33 × 1,247.64
  4. Step 4: Simplify right side
    2,242.36x = 3,860,609.88
  5. Step 5: Solve for x
    x = 3,860,609.88/2,242.36
  6. Step 6: Final answer
    x = 1,721.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.