Home / 3,932.36-5,428.02-2,535.56

Finding the Fourth Proportional to 3,932.36, 5,428.02 and 2,535.56

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Solution

The fourth proportional to 3,932.36, 5,428.02 and 2,535.56 is: 3,499.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.36 : 5,428.02 = 2,535.56 : x
  2. Step 2: Convert to fraction form
    3,932.36/5,428.02 = 2,535.56/x
  3. Step 3: Cross multiply
    3,932.36x = 5,428.02 × 2,535.56
  4. Step 4: Simplify right side
    3,932.36x = 13,763,070.39
  5. Step 5: Solve for x
    x = 13,763,070.39/3,932.36
  6. Step 6: Final answer
    x = 3,499.95

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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.