Home / 3,642.50-5,027.24-2,071.55

Finding the Fourth Proportional to 3,642.50, 5,027.24 and 2,071.55

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Solution

The fourth proportional to 3,642.50, 5,027.24 and 2,071.55 is: 2,859.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.50 : 5,027.24 = 2,071.55 : x
  2. Step 2: Convert to fraction form
    3,642.50/5,027.24 = 2,071.55/x
  3. Step 3: Cross multiply
    3,642.50x = 5,027.24 × 2,071.55
  4. Step 4: Simplify right side
    3,642.50x = 10,414,179.02
  5. Step 5: Solve for x
    x = 10,414,179.02/3,642.50
  6. Step 6: Final answer
    x = 2,859.07

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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.