Home / 3,355-4,629.90-1,957.76

Finding the Fourth Proportional to 3,355, 4,629.90 and 1,957.76

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Solution

The fourth proportional to 3,355, 4,629.90 and 1,957.76 is: 2,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355 : 4,629.90 = 1,957.76 : x
  2. Step 2: Convert to fraction form
    3,355/4,629.90 = 1,957.76/x
  3. Step 3: Cross multiply
    3,355x = 4,629.90 × 1,957.76
  4. Step 4: Simplify right side
    3,355x = 9,064,233.02
  5. Step 5: Solve for x
    x = 9,064,233.02/3,355
  6. Step 6: Final answer
    x = 2,701.71

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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.