Home / 3,036.79-4,190.47-2,240.55

Finding the Fourth Proportional to 3,036.79, 4,190.47 and 2,240.55

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Solution

The fourth proportional to 3,036.79, 4,190.47 and 2,240.55 is: 3,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.79 : 4,190.47 = 2,240.55 : x
  2. Step 2: Convert to fraction form
    3,036.79/4,190.47 = 2,240.55/x
  3. Step 3: Cross multiply
    3,036.79x = 4,190.47 × 2,240.55
  4. Step 4: Simplify right side
    3,036.79x = 9,388,957.56
  5. Step 5: Solve for x
    x = 9,388,957.56/3,036.79
  6. Step 6: Final answer
    x = 3,091.74

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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.