Home / 2,453.68-3,388.60-2,102.32

Finding the Fourth Proportional to 2,453.68, 3,388.60 and 2,102.32

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Solution

The fourth proportional to 2,453.68, 3,388.60 and 2,102.32 is: 2,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.68 : 3,388.60 = 2,102.32 : x
  2. Step 2: Convert to fraction form
    2,453.68/3,388.60 = 2,102.32/x
  3. Step 3: Cross multiply
    2,453.68x = 3,388.60 × 2,102.32
  4. Step 4: Simplify right side
    2,453.68x = 7,123,921.55
  5. Step 5: Solve for x
    x = 7,123,921.55/2,453.68
  6. Step 6: Final answer
    x = 2,903.36

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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.