Home / 3,888.85-5,831.57-1,423.03

Finding the Fourth Proportional to 3,888.85, 5,831.57 and 1,423.03

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Solution

The fourth proportional to 3,888.85, 5,831.57 and 1,423.03 is: 2,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.85 : 5,831.57 = 1,423.03 : x
  2. Step 2: Convert to fraction form
    3,888.85/5,831.57 = 1,423.03/x
  3. Step 3: Cross multiply
    3,888.85x = 5,831.57 × 1,423.03
  4. Step 4: Simplify right side
    3,888.85x = 8,298,491.94
  5. Step 5: Solve for x
    x = 8,298,491.94/3,888.85
  6. Step 6: Final answer
    x = 2,133.92

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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.