Home / 3,486.88-4,809.36-2,242.72

Finding the Fourth Proportional to 3,486.88, 4,809.36 and 2,242.72

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Solution

The fourth proportional to 3,486.88, 4,809.36 and 2,242.72 is: 3,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.88 : 4,809.36 = 2,242.72 : x
  2. Step 2: Convert to fraction form
    3,486.88/4,809.36 = 2,242.72/x
  3. Step 3: Cross multiply
    3,486.88x = 4,809.36 × 2,242.72
  4. Step 4: Simplify right side
    3,486.88x = 10,786,047.86
  5. Step 5: Solve for x
    x = 10,786,047.86/3,486.88
  6. Step 6: Final answer
    x = 3,093.32

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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.