Home / 3,887.46-5,831.19-2,579.45

Finding the Fourth Proportional to 3,887.46, 5,831.19 and 2,579.45

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Solution

The fourth proportional to 3,887.46, 5,831.19 and 2,579.45 is: 3,869.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.46 : 5,831.19 = 2,579.45 : x
  2. Step 2: Convert to fraction form
    3,887.46/5,831.19 = 2,579.45/x
  3. Step 3: Cross multiply
    3,887.46x = 5,831.19 × 2,579.45
  4. Step 4: Simplify right side
    3,887.46x = 15,041,233.89
  5. Step 5: Solve for x
    x = 15,041,233.89/3,887.46
  6. Step 6: Final answer
    x = 3,869.17

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.