Home / 3,289.92-4,539.78-2,225.52

Finding the Fourth Proportional to 3,289.92, 4,539.78 and 2,225.52

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Solution

The fourth proportional to 3,289.92, 4,539.78 and 2,225.52 is: 3,071.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.92 : 4,539.78 = 2,225.52 : x
  2. Step 2: Convert to fraction form
    3,289.92/4,539.78 = 2,225.52/x
  3. Step 3: Cross multiply
    3,289.92x = 4,539.78 × 2,225.52
  4. Step 4: Simplify right side
    3,289.92x = 10,103,371.19
  5. Step 5: Solve for x
    x = 10,103,371.19/3,289.92
  6. Step 6: Final answer
    x = 3,071.01

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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.