Home / 4,220.64-5,824.62-2,428.47

Finding the Fourth Proportional to 4,220.64, 5,824.62 and 2,428.47

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Solution

The fourth proportional to 4,220.64, 5,824.62 and 2,428.47 is: 3,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.64 : 5,824.62 = 2,428.47 : x
  2. Step 2: Convert to fraction form
    4,220.64/5,824.62 = 2,428.47/x
  3. Step 3: Cross multiply
    4,220.64x = 5,824.62 × 2,428.47
  4. Step 4: Simplify right side
    4,220.64x = 14,144,914.93
  5. Step 5: Solve for x
    x = 14,144,914.93/4,220.64
  6. Step 6: Final answer
    x = 3,351.37

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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.