Home / 3,831.04-5,749.08-2,100.88

Finding the Fourth Proportional to 3,831.04, 5,749.08 and 2,100.88

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Solution

The fourth proportional to 3,831.04, 5,749.08 and 2,100.88 is: 3,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.04 : 5,749.08 = 2,100.88 : x
  2. Step 2: Convert to fraction form
    3,831.04/5,749.08 = 2,100.88/x
  3. Step 3: Cross multiply
    3,831.04x = 5,749.08 × 2,100.88
  4. Step 4: Simplify right side
    3,831.04x = 12,078,127.19
  5. Step 5: Solve for x
    x = 12,078,127.19/3,831.04
  6. Step 6: Final answer
    x = 3,152.70

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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.