Home / 3,427.25-4,729.59-1,855.33

Finding the Fourth Proportional to 3,427.25, 4,729.59 and 1,855.33

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Solution

The fourth proportional to 3,427.25, 4,729.59 and 1,855.33 is: 2,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.25 : 4,729.59 = 1,855.33 : x
  2. Step 2: Convert to fraction form
    3,427.25/4,729.59 = 1,855.33/x
  3. Step 3: Cross multiply
    3,427.25x = 4,729.59 × 1,855.33
  4. Step 4: Simplify right side
    3,427.25x = 8,774,938.39
  5. Step 5: Solve for x
    x = 8,774,938.39/3,427.25
  6. Step 6: Final answer
    x = 2,560.35

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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.