Home / 3,552.80-5,329.60-1,087.60

Finding the Fourth Proportional to 3,552.80, 5,329.60 and 1,087.60

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Solution

The fourth proportional to 3,552.80, 5,329.60 and 1,087.60 is: 1,631.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.80 : 5,329.60 = 1,087.60 : x
  2. Step 2: Convert to fraction form
    3,552.80/5,329.60 = 1,087.60/x
  3. Step 3: Cross multiply
    3,552.80x = 5,329.60 × 1,087.60
  4. Step 4: Simplify right side
    3,552.80x = 5,796,472.96
  5. Step 5: Solve for x
    x = 5,796,472.96/3,552.80
  6. Step 6: Final answer
    x = 1,631.52

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1.5x scale

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.