Home / 3,671.27-5,507.57-1,206.78

Finding the Fourth Proportional to 3,671.27, 5,507.57 and 1,206.78

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Solution

The fourth proportional to 3,671.27, 5,507.57 and 1,206.78 is: 1,810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.27 : 5,507.57 = 1,206.78 : x
  2. Step 2: Convert to fraction form
    3,671.27/5,507.57 = 1,206.78/x
  3. Step 3: Cross multiply
    3,671.27x = 5,507.57 × 1,206.78
  4. Step 4: Simplify right side
    3,671.27x = 6,646,425.32
  5. Step 5: Solve for x
    x = 6,646,425.32/3,671.27
  6. Step 6: Final answer
    x = 1,810.39

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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.