Home / 3,128.10-4,673.10-2,433.12

Finding the Fourth Proportional to 3,128.10, 4,673.10 and 2,433.12

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Solution

The fourth proportional to 3,128.10, 4,673.10 and 2,433.12 is: 3,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128.10 : 4,673.10 = 2,433.12 : x
  2. Step 2: Convert to fraction form
    3,128.10/4,673.10 = 2,433.12/x
  3. Step 3: Cross multiply
    3,128.10x = 4,673.10 × 2,433.12
  4. Step 4: Simplify right side
    3,128.10x = 11,370,213.07
  5. Step 5: Solve for x
    x = 11,370,213.07/3,128.10
  6. Step 6: Final answer
    x = 3,634.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.