Home / 3,914.48-5,402.54-2,422.88

Finding the Fourth Proportional to 3,914.48, 5,402.54 and 2,422.88

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Solution

The fourth proportional to 3,914.48, 5,402.54 and 2,422.88 is: 3,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.48 : 5,402.54 = 2,422.88 : x
  2. Step 2: Convert to fraction form
    3,914.48/5,402.54 = 2,422.88/x
  3. Step 3: Cross multiply
    3,914.48x = 5,402.54 × 2,422.88
  4. Step 4: Simplify right side
    3,914.48x = 13,089,666.99
  5. Step 5: Solve for x
    x = 13,089,666.99/3,914.48
  6. Step 6: Final answer
    x = 3,343.91

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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.