Home / 4,156.64-5,734.08-2,831.12

Finding the Fourth Proportional to 4,156.64, 5,734.08 and 2,831.12

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Solution

The fourth proportional to 4,156.64, 5,734.08 and 2,831.12 is: 3,905.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.64 : 5,734.08 = 2,831.12 : x
  2. Step 2: Convert to fraction form
    4,156.64/5,734.08 = 2,831.12/x
  3. Step 3: Cross multiply
    4,156.64x = 5,734.08 × 2,831.12
  4. Step 4: Simplify right side
    4,156.64x = 16,233,868.57
  5. Step 5: Solve for x
    x = 16,233,868.57/4,156.64
  6. Step 6: Final answer
    x = 3,905.53

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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.