Home / 3,922.46-5,886.93-1,615.58

Finding the Fourth Proportional to 3,922.46, 5,886.93 and 1,615.58

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Solution

The fourth proportional to 3,922.46, 5,886.93 and 1,615.58 is: 2,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.46 : 5,886.93 = 1,615.58 : x
  2. Step 2: Convert to fraction form
    3,922.46/5,886.93 = 1,615.58/x
  3. Step 3: Cross multiply
    3,922.46x = 5,886.93 × 1,615.58
  4. Step 4: Simplify right side
    3,922.46x = 9,510,806.37
  5. Step 5: Solve for x
    x = 9,510,806.37/3,922.46
  6. Step 6: Final answer
    x = 2,424.70

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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.