Home / 3,633.08-5,012.88-2,140.45

Finding the Fourth Proportional to 3,633.08, 5,012.88 and 2,140.45

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Solution

The fourth proportional to 3,633.08, 5,012.88 and 2,140.45 is: 2,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.08 : 5,012.88 = 2,140.45 : x
  2. Step 2: Convert to fraction form
    3,633.08/5,012.88 = 2,140.45/x
  3. Step 3: Cross multiply
    3,633.08x = 5,012.88 × 2,140.45
  4. Step 4: Simplify right side
    3,633.08x = 10,729,793.93
  5. Step 5: Solve for x
    x = 10,729,793.93/3,633.08
  6. Step 6: Final answer
    x = 2,953.36

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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.