Home / 3,642.74-5,027.60-2,151.94

Finding the Fourth Proportional to 3,642.74, 5,027.60 and 2,151.94

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Solution

The fourth proportional to 3,642.74, 5,027.60 and 2,151.94 is: 2,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.74 : 5,027.60 = 2,151.94 : x
  2. Step 2: Convert to fraction form
    3,642.74/5,027.60 = 2,151.94/x
  3. Step 3: Cross multiply
    3,642.74x = 5,027.60 × 2,151.94
  4. Step 4: Simplify right side
    3,642.74x = 10,819,093.54
  5. Step 5: Solve for x
    x = 10,819,093.54/3,642.74
  6. Step 6: Final answer
    x = 2,970.04

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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.