Home / 3,639.57-5,461.41-1,448.47

Finding the Fourth Proportional to 3,639.57, 5,461.41 and 1,448.47

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Solution

The fourth proportional to 3,639.57, 5,461.41 and 1,448.47 is: 2,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.57 : 5,461.41 = 1,448.47 : x
  2. Step 2: Convert to fraction form
    3,639.57/5,461.41 = 1,448.47/x
  3. Step 3: Cross multiply
    3,639.57x = 5,461.41 × 1,448.47
  4. Step 4: Simplify right side
    3,639.57x = 7,910,688.54
  5. Step 5: Solve for x
    x = 7,910,688.54/3,639.57
  6. Step 6: Final answer
    x = 2,173.52

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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.