Home / 3,180.35-4,772.81-2,356.15

Finding the Fourth Proportional to 3,180.35, 4,772.81 and 2,356.15

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Solution

The fourth proportional to 3,180.35, 4,772.81 and 2,356.15 is: 3,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.35 : 4,772.81 = 2,356.15 : x
  2. Step 2: Convert to fraction form
    3,180.35/4,772.81 = 2,356.15/x
  3. Step 3: Cross multiply
    3,180.35x = 4,772.81 × 2,356.15
  4. Step 4: Simplify right side
    3,180.35x = 11,245,456.28
  5. Step 5: Solve for x
    x = 11,245,456.28/3,180.35
  6. Step 6: Final answer
    x = 3,535.92

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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.