Home / 3,552.86-5,329.80-1,087.02

Finding the Fourth Proportional to 3,552.86, 5,329.80 and 1,087.02

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Solution

The fourth proportional to 3,552.86, 5,329.80 and 1,087.02 is: 1,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.86 : 5,329.80 = 1,087.02 : x
  2. Step 2: Convert to fraction form
    3,552.86/5,329.80 = 1,087.02/x
  3. Step 3: Cross multiply
    3,552.86x = 5,329.80 × 1,087.02
  4. Step 4: Simplify right side
    3,552.86x = 5,793,599.20
  5. Step 5: Solve for x
    x = 5,793,599.20/3,552.86
  6. Step 6: Final answer
    x = 1,630.68

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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.