Home / 2,831.76-4,226.04-2,795.04

Finding the Fourth Proportional to 2,831.76, 4,226.04 and 2,795.04

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Solution

The fourth proportional to 2,831.76, 4,226.04 and 2,795.04 is: 4,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.76 : 4,226.04 = 2,795.04 : x
  2. Step 2: Convert to fraction form
    2,831.76/4,226.04 = 2,795.04/x
  3. Step 3: Cross multiply
    2,831.76x = 4,226.04 × 2,795.04
  4. Step 4: Simplify right side
    2,831.76x = 11,811,950.84
  5. Step 5: Solve for x
    x = 11,811,950.84/2,831.76
  6. Step 6: Final answer
    x = 4,171.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.