Home / 3,466.38-5,198.51-1,385.28

Finding the Fourth Proportional to 3,466.38, 5,198.51 and 1,385.28

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Solution

The fourth proportional to 3,466.38, 5,198.51 and 1,385.28 is: 2,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.38 : 5,198.51 = 1,385.28 : x
  2. Step 2: Convert to fraction form
    3,466.38/5,198.51 = 1,385.28/x
  3. Step 3: Cross multiply
    3,466.38x = 5,198.51 × 1,385.28
  4. Step 4: Simplify right side
    3,466.38x = 7,201,385.01
  5. Step 5: Solve for x
    x = 7,201,385.01/3,466.38
  6. Step 6: Final answer
    x = 2,077.49

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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.