Home / 3,427.07-4,729.37-1,855.17

Finding the Fourth Proportional to 3,427.07, 4,729.37 and 1,855.17

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Solution

The fourth proportional to 3,427.07, 4,729.37 and 1,855.17 is: 2,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.07 : 4,729.37 = 1,855.17 : x
  2. Step 2: Convert to fraction form
    3,427.07/4,729.37 = 1,855.17/x
  3. Step 3: Cross multiply
    3,427.07x = 4,729.37 × 1,855.17
  4. Step 4: Simplify right side
    3,427.07x = 8,773,776.07
  5. Step 5: Solve for x
    x = 8,773,776.07/3,427.07
  6. Step 6: Final answer
    x = 2,560.14

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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.