Home / 3,427.13-4,729.44-1,855.22

Finding the Fourth Proportional to 3,427.13, 4,729.44 and 1,855.22

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Solution

The fourth proportional to 3,427.13, 4,729.44 and 1,855.22 is: 2,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.13 : 4,729.44 = 1,855.22 : x
  2. Step 2: Convert to fraction form
    3,427.13/4,729.44 = 1,855.22/x
  3. Step 3: Cross multiply
    3,427.13x = 4,729.44 × 1,855.22
  4. Step 4: Simplify right side
    3,427.13x = 8,774,151.68
  5. Step 5: Solve for x
    x = 8,774,151.68/3,427.13
  6. Step 6: Final answer
    x = 2,560.20

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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.