Home / 3,052.52-4,213.64-2,389.60

Finding the Fourth Proportional to 3,052.52, 4,213.64 and 2,389.60

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Solution

The fourth proportional to 3,052.52, 4,213.64 and 2,389.60 is: 3,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.52 : 4,213.64 = 2,389.60 : x
  2. Step 2: Convert to fraction form
    3,052.52/4,213.64 = 2,389.60/x
  3. Step 3: Cross multiply
    3,052.52x = 4,213.64 × 2,389.60
  4. Step 4: Simplify right side
    3,052.52x = 10,068,914.14
  5. Step 5: Solve for x
    x = 10,068,914.14/3,052.52
  6. Step 6: Final answer
    x = 3,298.56

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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.