Home / 3,160.30-4,361.61-1,833.72

Finding the Fourth Proportional to 3,160.30, 4,361.61 and 1,833.72

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Solution

The fourth proportional to 3,160.30, 4,361.61 and 1,833.72 is: 2,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.30 : 4,361.61 = 1,833.72 : x
  2. Step 2: Convert to fraction form
    3,160.30/4,361.61 = 1,833.72/x
  3. Step 3: Cross multiply
    3,160.30x = 4,361.61 × 1,833.72
  4. Step 4: Simplify right side
    3,160.30x = 7,997,971.49
  5. Step 5: Solve for x
    x = 7,997,971.49/3,160.30
  6. Step 6: Final answer
    x = 2,530.76

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1.5x scale

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.