Home / 3,427.44-5,140.35-1,577.40

Finding the Fourth Proportional to 3,427.44, 5,140.35 and 1,577.40

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Solution

The fourth proportional to 3,427.44, 5,140.35 and 1,577.40 is: 2,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.44 : 5,140.35 = 1,577.40 : x
  2. Step 2: Convert to fraction form
    3,427.44/5,140.35 = 1,577.40/x
  3. Step 3: Cross multiply
    3,427.44x = 5,140.35 × 1,577.40
  4. Step 4: Simplify right side
    3,427.44x = 8,108,388.09
  5. Step 5: Solve for x
    x = 8,108,388.09/3,427.44
  6. Step 6: Final answer
    x = 2,365.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.