Home / 3,036.56-4,188.92-1,776.80

Finding the Fourth Proportional to 3,036.56, 4,188.92 and 1,776.80

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Solution

The fourth proportional to 3,036.56, 4,188.92 and 1,776.80 is: 2,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.56 : 4,188.92 = 1,776.80 : x
  2. Step 2: Convert to fraction form
    3,036.56/4,188.92 = 1,776.80/x
  3. Step 3: Cross multiply
    3,036.56x = 4,188.92 × 1,776.80
  4. Step 4: Simplify right side
    3,036.56x = 7,442,873.06
  5. Step 5: Solve for x
    x = 7,442,873.06/3,036.56
  6. Step 6: Final answer
    x = 2,451.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.