Home / 3,189.64-4,767.35-2,876.57

Finding the Fourth Proportional to 3,189.64, 4,767.35 and 2,876.57

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Solution

The fourth proportional to 3,189.64, 4,767.35 and 2,876.57 is: 4,299.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.64 : 4,767.35 = 2,876.57 : x
  2. Step 2: Convert to fraction form
    3,189.64/4,767.35 = 2,876.57/x
  3. Step 3: Cross multiply
    3,189.64x = 4,767.35 × 2,876.57
  4. Step 4: Simplify right side
    3,189.64x = 13,713,615.99
  5. Step 5: Solve for x
    x = 13,713,615.99/3,189.64
  6. Step 6: Final answer
    x = 4,299.42

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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.