Home / 3,688.68-5,532.90-1,092.36

Finding the Fourth Proportional to 3,688.68, 5,532.90 and 1,092.36

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Solution

The fourth proportional to 3,688.68, 5,532.90 and 1,092.36 is: 1,638.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.68 : 5,532.90 = 1,092.36 : x
  2. Step 2: Convert to fraction form
    3,688.68/5,532.90 = 1,092.36/x
  3. Step 3: Cross multiply
    3,688.68x = 5,532.90 × 1,092.36
  4. Step 4: Simplify right side
    3,688.68x = 6,043,918.64
  5. Step 5: Solve for x
    x = 6,043,918.64/3,688.68
  6. Step 6: Final answer
    x = 1,638.50

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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.