Home / 2,606.64-3,600.36-2,109.84

Finding the Fourth Proportional to 2,606.64, 3,600.36 and 2,109.84

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Solution

The fourth proportional to 2,606.64, 3,600.36 and 2,109.84 is: 2,914.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.64 : 3,600.36 = 2,109.84 : x
  2. Step 2: Convert to fraction form
    2,606.64/3,600.36 = 2,109.84/x
  3. Step 3: Cross multiply
    2,606.64x = 3,600.36 × 2,109.84
  4. Step 4: Simplify right side
    2,606.64x = 7,596,183.54
  5. Step 5: Solve for x
    x = 7,596,183.54/2,606.64
  6. Step 6: Final answer
    x = 2,914.17

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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.