Home / 3,539.02-5,308.80-1,074.05

Finding the Fourth Proportional to 3,539.02, 5,308.80 and 1,074.05

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Solution

The fourth proportional to 3,539.02, 5,308.80 and 1,074.05 is: 1,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.02 : 5,308.80 = 1,074.05 : x
  2. Step 2: Convert to fraction form
    3,539.02/5,308.80 = 1,074.05/x
  3. Step 3: Cross multiply
    3,539.02x = 5,308.80 × 1,074.05
  4. Step 4: Simplify right side
    3,539.02x = 5,701,890.10
  5. Step 5: Solve for x
    x = 5,701,890.10/3,539.02
  6. Step 6: Final answer
    x = 1,611.15

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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.