Home / 3,645.28-5,032.56-2,406.88

Finding the Fourth Proportional to 3,645.28, 5,032.56 and 2,406.88

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Solution

The fourth proportional to 3,645.28, 5,032.56 and 2,406.88 is: 3,322.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.28 : 5,032.56 = 2,406.88 : x
  2. Step 2: Convert to fraction form
    3,645.28/5,032.56 = 2,406.88/x
  3. Step 3: Cross multiply
    3,645.28x = 5,032.56 × 2,406.88
  4. Step 4: Simplify right side
    3,645.28x = 12,112,768.01
  5. Step 5: Solve for x
    x = 12,112,768.01/3,645.28
  6. Step 6: Final answer
    x = 3,322.86

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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.