Home / 3,025.37-4,172.76-2,892.89

Finding the Fourth Proportional to 3,025.37, 4,172.76 and 2,892.89

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Solution

The fourth proportional to 3,025.37, 4,172.76 and 2,892.89 is: 3,990.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.37 : 4,172.76 = 2,892.89 : x
  2. Step 2: Convert to fraction form
    3,025.37/4,172.76 = 2,892.89/x
  3. Step 3: Cross multiply
    3,025.37x = 4,172.76 × 2,892.89
  4. Step 4: Simplify right side
    3,025.37x = 12,071,314.81
  5. Step 5: Solve for x
    x = 12,071,314.81/3,025.37
  6. Step 6: Final answer
    x = 3,990.04

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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.