Home / 3,577.56-5,365.28-1,385.80

Finding the Fourth Proportional to 3,577.56, 5,365.28 and 1,385.80

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Solution

The fourth proportional to 3,577.56, 5,365.28 and 1,385.80 is: 2,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.56 : 5,365.28 = 1,385.80 : x
  2. Step 2: Convert to fraction form
    3,577.56/5,365.28 = 1,385.80/x
  3. Step 3: Cross multiply
    3,577.56x = 5,365.28 × 1,385.80
  4. Step 4: Simplify right side
    3,577.56x = 7,435,205.02
  5. Step 5: Solve for x
    x = 7,435,205.02/3,577.56
  6. Step 6: Final answer
    x = 2,078.29

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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.