Home / 3,539.58-5,309.36-1,074.40

Finding the Fourth Proportional to 3,539.58, 5,309.36 and 1,074.40

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Solution

The fourth proportional to 3,539.58, 5,309.36 and 1,074.40 is: 1,611.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.58 : 5,309.36 = 1,074.40 : x
  2. Step 2: Convert to fraction form
    3,539.58/5,309.36 = 1,074.40/x
  3. Step 3: Cross multiply
    3,539.58x = 5,309.36 × 1,074.40
  4. Step 4: Simplify right side
    3,539.58x = 5,704,376.38
  5. Step 5: Solve for x
    x = 5,704,376.38/3,539.58
  6. Step 6: Final answer
    x = 1,611.60

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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.