Home / 4,301.40-5,938.50-2,811.81

Finding the Fourth Proportional to 4,301.40, 5,938.50 and 2,811.81

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Solution

The fourth proportional to 4,301.40, 5,938.50 and 2,811.81 is: 3,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,301.40 : 5,938.50 = 2,811.81 : x
  2. Step 2: Convert to fraction form
    4,301.40/5,938.50 = 2,811.81/x
  3. Step 3: Cross multiply
    4,301.40x = 5,938.50 × 2,811.81
  4. Step 4: Simplify right side
    4,301.40x = 16,697,933.69
  5. Step 5: Solve for x
    x = 16,697,933.69/4,301.40
  6. Step 6: Final answer
    x = 3,881.98

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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.