Home / 3,531.84-5,293.44-1,220.64

Finding the Fourth Proportional to 3,531.84, 5,293.44 and 1,220.64

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Solution

The fourth proportional to 3,531.84, 5,293.44 and 1,220.64 is: 1,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.84 : 5,293.44 = 1,220.64 : x
  2. Step 2: Convert to fraction form
    3,531.84/5,293.44 = 1,220.64/x
  3. Step 3: Cross multiply
    3,531.84x = 5,293.44 × 1,220.64
  4. Step 4: Simplify right side
    3,531.84x = 6,461,384.60
  5. Step 5: Solve for x
    x = 6,461,384.60/3,531.84
  6. Step 6: Final answer
    x = 1,829.47

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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.