Home / 3,688.12-5,533.62-2,228.32

Finding the Fourth Proportional to 3,688.12, 5,533.62 and 2,228.32

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Solution

The fourth proportional to 3,688.12, 5,533.62 and 2,228.32 is: 3,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.12 : 5,533.62 = 2,228.32 : x
  2. Step 2: Convert to fraction form
    3,688.12/5,533.62 = 2,228.32/x
  3. Step 3: Cross multiply
    3,688.12x = 5,533.62 × 2,228.32
  4. Step 4: Simplify right side
    3,688.12x = 12,330,676.12
  5. Step 5: Solve for x
    x = 12,330,676.12/3,688.12
  6. Step 6: Final answer
    x = 3,343.35

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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.