Home / 3,025.43-4,172.96-2,777.57

Finding the Fourth Proportional to 3,025.43, 4,172.96 and 2,777.57

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Solution

The fourth proportional to 3,025.43, 4,172.96 and 2,777.57 is: 3,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.43 : 4,172.96 = 2,777.57 : x
  2. Step 2: Convert to fraction form
    3,025.43/4,172.96 = 2,777.57/x
  3. Step 3: Cross multiply
    3,025.43x = 4,172.96 × 2,777.57
  4. Step 4: Simplify right side
    3,025.43x = 11,590,688.51
  5. Step 5: Solve for x
    x = 11,590,688.51/3,025.43
  6. Step 6: Final answer
    x = 3,831.09

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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.