Home / 3,002.56-4,145.26-2,011.12

Finding the Fourth Proportional to 3,002.56, 4,145.26 and 2,011.12

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Solution

The fourth proportional to 3,002.56, 4,145.26 and 2,011.12 is: 2,776.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.56 : 4,145.26 = 2,011.12 : x
  2. Step 2: Convert to fraction form
    3,002.56/4,145.26 = 2,011.12/x
  3. Step 3: Cross multiply
    3,002.56x = 4,145.26 × 2,011.12
  4. Step 4: Simplify right side
    3,002.56x = 8,336,615.29
  5. Step 5: Solve for x
    x = 8,336,615.29/3,002.56
  6. Step 6: Final answer
    x = 2,776.50

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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.