Home / 2,831.16-3,908.07-1,652.25

Finding the Fourth Proportional to 2,831.16, 3,908.07 and 1,652.25

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Solution

The fourth proportional to 2,831.16, 3,908.07 and 1,652.25 is: 2,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.16 : 3,908.07 = 1,652.25 : x
  2. Step 2: Convert to fraction form
    2,831.16/3,908.07 = 1,652.25/x
  3. Step 3: Cross multiply
    2,831.16x = 3,908.07 × 1,652.25
  4. Step 4: Simplify right side
    2,831.16x = 6,457,108.66
  5. Step 5: Solve for x
    x = 6,457,108.66/2,831.16
  6. Step 6: Final answer
    x = 2,280.73

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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.