Home / 2,052.16-2,831.85-1,120.66

Finding the Fourth Proportional to 2,052.16, 2,831.85 and 1,120.66

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Solution

The fourth proportional to 2,052.16, 2,831.85 and 1,120.66 is: 1,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,052.16 : 2,831.85 = 1,120.66 : x
  2. Step 2: Convert to fraction form
    2,052.16/2,831.85 = 1,120.66/x
  3. Step 3: Cross multiply
    2,052.16x = 2,831.85 × 1,120.66
  4. Step 4: Simplify right side
    2,052.16x = 3,173,541.02
  5. Step 5: Solve for x
    x = 3,173,541.02/2,052.16
  6. Step 6: Final answer
    x = 1,546.44

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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.