Home / 3,928.79-5,895.88-1,465.58

Finding the Fourth Proportional to 3,928.79, 5,895.88 and 1,465.58

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Solution

The fourth proportional to 3,928.79, 5,895.88 and 1,465.58 is: 2,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.79 : 5,895.88 = 1,465.58 : x
  2. Step 2: Convert to fraction form
    3,928.79/5,895.88 = 1,465.58/x
  3. Step 3: Cross multiply
    3,928.79x = 5,895.88 × 1,465.58
  4. Step 4: Simplify right side
    3,928.79x = 8,640,883.81
  5. Step 5: Solve for x
    x = 8,640,883.81/3,928.79
  6. Step 6: Final answer
    x = 2,199.38

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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.