Home / 3,688.91-5,533.37-1,092.05

Finding the Fourth Proportional to 3,688.91, 5,533.37 and 1,092.05

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Solution

The fourth proportional to 3,688.91, 5,533.37 and 1,092.05 is: 1,638.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.91 : 5,533.37 = 1,092.05 : x
  2. Step 2: Convert to fraction form
    3,688.91/5,533.37 = 1,092.05/x
  3. Step 3: Cross multiply
    3,688.91x = 5,533.37 × 1,092.05
  4. Step 4: Simplify right side
    3,688.91x = 6,042,716.71
  5. Step 5: Solve for x
    x = 6,042,716.71/3,688.91
  6. Step 6: Final answer
    x = 1,638.08

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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.