Home / 3,721.78-5,580.51-1,528.84

Finding the Fourth Proportional to 3,721.78, 5,580.51 and 1,528.84

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Solution

The fourth proportional to 3,721.78, 5,580.51 and 1,528.84 is: 2,292.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.78 : 5,580.51 = 1,528.84 : x
  2. Step 2: Convert to fraction form
    3,721.78/5,580.51 = 1,528.84/x
  3. Step 3: Cross multiply
    3,721.78x = 5,580.51 × 1,528.84
  4. Step 4: Simplify right side
    3,721.78x = 8,531,706.91
  5. Step 5: Solve for x
    x = 8,531,706.91/3,721.78
  6. Step 6: Final answer
    x = 2,292.37

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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.