Home / 2,914.05-4,371.06-1,680.66

Finding the Fourth Proportional to 2,914.05, 4,371.06 and 1,680.66

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Solution

The fourth proportional to 2,914.05, 4,371.06 and 1,680.66 is: 2,520.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.05 : 4,371.06 = 1,680.66 : x
  2. Step 2: Convert to fraction form
    2,914.05/4,371.06 = 1,680.66/x
  3. Step 3: Cross multiply
    2,914.05x = 4,371.06 × 1,680.66
  4. Step 4: Simplify right side
    2,914.05x = 7,346,265.70
  5. Step 5: Solve for x
    x = 7,346,265.70/2,914.05
  6. Step 6: Final answer
    x = 2,520.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.