Home / 3,225.81-4,440.68-2,894.12

Finding the Fourth Proportional to 3,225.81, 4,440.68 and 2,894.12

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Solution

The fourth proportional to 3,225.81, 4,440.68 and 2,894.12 is: 3,984.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.81 : 4,440.68 = 2,894.12 : x
  2. Step 2: Convert to fraction form
    3,225.81/4,440.68 = 2,894.12/x
  3. Step 3: Cross multiply
    3,225.81x = 4,440.68 × 2,894.12
  4. Step 4: Simplify right side
    3,225.81x = 12,851,860.80
  5. Step 5: Solve for x
    x = 12,851,860.80/3,225.81
  6. Step 6: Final answer
    x = 3,984.07

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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.