Home / 2,187.32-3,274.96-1,529.84

Finding the Fourth Proportional to 2,187.32, 3,274.96 and 1,529.84

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Solution

The fourth proportional to 2,187.32, 3,274.96 and 1,529.84 is: 2,290.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.32 : 3,274.96 = 1,529.84 : x
  2. Step 2: Convert to fraction form
    2,187.32/3,274.96 = 1,529.84/x
  3. Step 3: Cross multiply
    2,187.32x = 3,274.96 × 1,529.84
  4. Step 4: Simplify right side
    2,187.32x = 5,010,164.81
  5. Step 5: Solve for x
    x = 5,010,164.81/2,187.32
  6. Step 6: Final answer
    x = 2,290.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.