Home / 3,036.70-4,190.68-1,777.48

Finding the Fourth Proportional to 3,036.70, 4,190.68 and 1,777.48

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Solution

The fourth proportional to 3,036.70, 4,190.68 and 1,777.48 is: 2,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.70 : 4,190.68 = 1,777.48 : x
  2. Step 2: Convert to fraction form
    3,036.70/4,190.68 = 1,777.48/x
  3. Step 3: Cross multiply
    3,036.70x = 4,190.68 × 1,777.48
  4. Step 4: Simplify right side
    3,036.70x = 7,448,849.89
  5. Step 5: Solve for x
    x = 7,448,849.89/3,036.70
  6. Step 6: Final answer
    x = 2,452.94

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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.