Home / 3,178.29-4,767.57-1,203.72

Finding the Fourth Proportional to 3,178.29, 4,767.57 and 1,203.72

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Solution

The fourth proportional to 3,178.29, 4,767.57 and 1,203.72 is: 1,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178.29 : 4,767.57 = 1,203.72 : x
  2. Step 2: Convert to fraction form
    3,178.29/4,767.57 = 1,203.72/x
  3. Step 3: Cross multiply
    3,178.29x = 4,767.57 × 1,203.72
  4. Step 4: Simplify right side
    3,178.29x = 5,738,813.34
  5. Step 5: Solve for x
    x = 5,738,813.34/3,178.29
  6. Step 6: Final answer
    x = 1,805.63

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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.