Home / 3,539.40-5,308.29-1,074.24

Finding the Fourth Proportional to 3,539.40, 5,308.29 and 1,074.24

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Solution

The fourth proportional to 3,539.40, 5,308.29 and 1,074.24 is: 1,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.40 : 5,308.29 = 1,074.24 : x
  2. Step 2: Convert to fraction form
    3,539.40/5,308.29 = 1,074.24/x
  3. Step 3: Cross multiply
    3,539.40x = 5,308.29 × 1,074.24
  4. Step 4: Simplify right side
    3,539.40x = 5,702,377.45
  5. Step 5: Solve for x
    x = 5,702,377.45/3,539.40
  6. Step 6: Final answer
    x = 1,611.11

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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.