Home / 3,648.83-5,034.66-2,156.99

Finding the Fourth Proportional to 3,648.83, 5,034.66 and 2,156.99

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Solution

The fourth proportional to 3,648.83, 5,034.66 and 2,156.99 is: 2,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.83 : 5,034.66 = 2,156.99 : x
  2. Step 2: Convert to fraction form
    3,648.83/5,034.66 = 2,156.99/x
  3. Step 3: Cross multiply
    3,648.83x = 5,034.66 × 2,156.99
  4. Step 4: Simplify right side
    3,648.83x = 10,859,692.17
  5. Step 5: Solve for x
    x = 10,859,692.17/3,648.83
  6. Step 6: Final answer
    x = 2,976.21

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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.