Home / 3,181.77-4,772.45-1,206.59

Finding the Fourth Proportional to 3,181.77, 4,772.45 and 1,206.59

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Solution

The fourth proportional to 3,181.77, 4,772.45 and 1,206.59 is: 1,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.77 : 4,772.45 = 1,206.59 : x
  2. Step 2: Convert to fraction form
    3,181.77/4,772.45 = 1,206.59/x
  3. Step 3: Cross multiply
    3,181.77x = 4,772.45 × 1,206.59
  4. Step 4: Simplify right side
    3,181.77x = 5,758,360.55
  5. Step 5: Solve for x
    x = 5,758,360.55/3,181.77
  6. Step 6: Final answer
    x = 1,809.80

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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.