Home / 3,157.16-4,732.14-1,921.85

Finding the Fourth Proportional to 3,157.16, 4,732.14 and 1,921.85

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Solution

The fourth proportional to 3,157.16, 4,732.14 and 1,921.85 is: 2,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.16 : 4,732.14 = 1,921.85 : x
  2. Step 2: Convert to fraction form
    3,157.16/4,732.14 = 1,921.85/x
  3. Step 3: Cross multiply
    3,157.16x = 4,732.14 × 1,921.85
  4. Step 4: Simplify right side
    3,157.16x = 9,094,463.26
  5. Step 5: Solve for x
    x = 9,094,463.26/3,157.16
  6. Step 6: Final answer
    x = 2,880.58

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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.