Home / 3,539.36-5,309.88-1,074.32

Finding the Fourth Proportional to 3,539.36, 5,309.88 and 1,074.32

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Solution

The fourth proportional to 3,539.36, 5,309.88 and 1,074.32 is: 1,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.36 : 5,309.88 = 1,074.32 : x
  2. Step 2: Convert to fraction form
    3,539.36/5,309.88 = 1,074.32/x
  3. Step 3: Cross multiply
    3,539.36x = 5,309.88 × 1,074.32
  4. Step 4: Simplify right side
    3,539.36x = 5,704,510.28
  5. Step 5: Solve for x
    x = 5,704,510.28/3,539.36
  6. Step 6: Final answer
    x = 1,611.73

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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.