Home / 3,048.33-4,207.11-2,860.68

Finding the Fourth Proportional to 3,048.33, 4,207.11 and 2,860.68

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Solution

The fourth proportional to 3,048.33, 4,207.11 and 2,860.68 is: 3,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.33 : 4,207.11 = 2,860.68 : x
  2. Step 2: Convert to fraction form
    3,048.33/4,207.11 = 2,860.68/x
  3. Step 3: Cross multiply
    3,048.33x = 4,207.11 × 2,860.68
  4. Step 4: Simplify right side
    3,048.33x = 12,035,195.43
  5. Step 5: Solve for x
    x = 12,035,195.43/3,048.33
  6. Step 6: Final answer
    x = 3,948.13

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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.