Home / 3,577.87-5,365.44-1,386.32

Finding the Fourth Proportional to 3,577.87, 5,365.44 and 1,386.32

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Solution

The fourth proportional to 3,577.87, 5,365.44 and 1,386.32 is: 2,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.87 : 5,365.44 = 1,386.32 : x
  2. Step 2: Convert to fraction form
    3,577.87/5,365.44 = 1,386.32/x
  3. Step 3: Cross multiply
    3,577.87x = 5,365.44 × 1,386.32
  4. Step 4: Simplify right side
    3,577.87x = 7,438,189.95
  5. Step 5: Solve for x
    x = 7,438,189.95/3,577.87
  6. Step 6: Final answer
    x = 2,078.94

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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.