Home / 3,639.34-5,455.74-1,662.94

Finding the Fourth Proportional to 3,639.34, 5,455.74 and 1,662.94

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Solution

The fourth proportional to 3,639.34, 5,455.74 and 1,662.94 is: 2,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.34 : 5,455.74 = 1,662.94 : x
  2. Step 2: Convert to fraction form
    3,639.34/5,455.74 = 1,662.94/x
  3. Step 3: Cross multiply
    3,639.34x = 5,455.74 × 1,662.94
  4. Step 4: Simplify right side
    3,639.34x = 9,072,568.28
  5. Step 5: Solve for x
    x = 9,072,568.28/3,639.34
  6. Step 6: Final answer
    x = 2,492.92

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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.