Home / 3,671.20-5,497.08-1,936.18

Finding the Fourth Proportional to 3,671.20, 5,497.08 and 1,936.18

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Solution

The fourth proportional to 3,671.20, 5,497.08 and 1,936.18 is: 2,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.20 : 5,497.08 = 1,936.18 : x
  2. Step 2: Convert to fraction form
    3,671.20/5,497.08 = 1,936.18/x
  3. Step 3: Cross multiply
    3,671.20x = 5,497.08 × 1,936.18
  4. Step 4: Simplify right side
    3,671.20x = 10,643,336.35
  5. Step 5: Solve for x
    x = 10,643,336.35/3,671.20
  6. Step 6: Final answer
    x = 2,899.14

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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.