Home / 3,427.28-4,729.64-1,855.37

Finding the Fourth Proportional to 3,427.28, 4,729.64 and 1,855.37

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Solution

The fourth proportional to 3,427.28, 4,729.64 and 1,855.37 is: 2,560.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.28 : 4,729.64 = 1,855.37 : x
  2. Step 2: Convert to fraction form
    3,427.28/4,729.64 = 1,855.37/x
  3. Step 3: Cross multiply
    3,427.28x = 4,729.64 × 1,855.37
  4. Step 4: Simplify right side
    3,427.28x = 8,775,232.17
  5. Step 5: Solve for x
    x = 8,775,232.17/3,427.28
  6. Step 6: Final answer
    x = 2,560.41

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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.