Home / 3,289.42-4,539.09-2,225.02

Finding the Fourth Proportional to 3,289.42, 4,539.09 and 2,225.02

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Solution

The fourth proportional to 3,289.42, 4,539.09 and 2,225.02 is: 3,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.42 : 4,539.09 = 2,225.02 : x
  2. Step 2: Convert to fraction form
    3,289.42/4,539.09 = 2,225.02/x
  3. Step 3: Cross multiply
    3,289.42x = 4,539.09 × 2,225.02
  4. Step 4: Simplify right side
    3,289.42x = 10,099,566.03
  5. Step 5: Solve for x
    x = 10,099,566.03/3,289.42
  6. Step 6: Final answer
    x = 3,070.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.