Home / 3,472.58-5,214.36-2,012.78

Finding the Fourth Proportional to 3,472.58, 5,214.36 and 2,012.78

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Solution

The fourth proportional to 3,472.58, 5,214.36 and 2,012.78 is: 3,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.58 : 5,214.36 = 2,012.78 : x
  2. Step 2: Convert to fraction form
    3,472.58/5,214.36 = 2,012.78/x
  3. Step 3: Cross multiply
    3,472.58x = 5,214.36 × 2,012.78
  4. Step 4: Simplify right side
    3,472.58x = 10,495,359.52
  5. Step 5: Solve for x
    x = 10,495,359.52/3,472.58
  6. Step 6: Final answer
    x = 3,022.35

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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.