Home / 3,585.58-5,376.07-1,392.51

Finding the Fourth Proportional to 3,585.58, 5,376.07 and 1,392.51

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Solution

The fourth proportional to 3,585.58, 5,376.07 and 1,392.51 is: 2,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.58 : 5,376.07 = 1,392.51 : x
  2. Step 2: Convert to fraction form
    3,585.58/5,376.07 = 1,392.51/x
  3. Step 3: Cross multiply
    3,585.58x = 5,376.07 × 1,392.51
  4. Step 4: Simplify right side
    3,585.58x = 7,486,231.24
  5. Step 5: Solve for x
    x = 7,486,231.24/3,585.58
  6. Step 6: Final answer
    x = 2,087.87

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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.