Home / 2,242.42-3,094.40-1,247.68

Finding the Fourth Proportional to 2,242.42, 3,094.40 and 1,247.68

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Solution

The fourth proportional to 2,242.42, 3,094.40 and 1,247.68 is: 1,721.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.42 : 3,094.40 = 1,247.68 : x
  2. Step 2: Convert to fraction form
    2,242.42/3,094.40 = 1,247.68/x
  3. Step 3: Cross multiply
    2,242.42x = 3,094.40 × 1,247.68
  4. Step 4: Simplify right side
    2,242.42x = 3,860,810.57
  5. Step 5: Solve for x
    x = 3,860,810.57/2,242.42
  6. Step 6: Final answer
    x = 1,721.71

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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.