Home / 3,025.30-4,172.88-2,465.80

Finding the Fourth Proportional to 3,025.30, 4,172.88 and 2,465.80

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Solution

The fourth proportional to 3,025.30, 4,172.88 and 2,465.80 is: 3,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.30 : 4,172.88 = 2,465.80 : x
  2. Step 2: Convert to fraction form
    3,025.30/4,172.88 = 2,465.80/x
  3. Step 3: Cross multiply
    3,025.30x = 4,172.88 × 2,465.80
  4. Step 4: Simplify right side
    3,025.30x = 10,289,487.50
  5. Step 5: Solve for x
    x = 10,289,487.50/3,025.30
  6. Step 6: Final answer
    x = 3,401.15

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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.