Home / 3,886.50-5,831.76-1,546

Finding the Fourth Proportional to 3,886.50, 5,831.76 and 1,546

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Solution

The fourth proportional to 3,886.50, 5,831.76 and 1,546 is: 2,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.50 : 5,831.76 = 1,546 : x
  2. Step 2: Convert to fraction form
    3,886.50/5,831.76 = 1,546/x
  3. Step 3: Cross multiply
    3,886.50x = 5,831.76 × 1,546
  4. Step 4: Simplify right side
    3,886.50x = 9,015,900.96
  5. Step 5: Solve for x
    x = 9,015,900.96/3,886.50
  6. Step 6: Final answer
    x = 2,319.80

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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.