Home / 3,034.24-4,185.78-2,635.40

Finding the Fourth Proportional to 3,034.24, 4,185.78 and 2,635.40

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Solution

The fourth proportional to 3,034.24, 4,185.78 and 2,635.40 is: 3,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.24 : 4,185.78 = 2,635.40 : x
  2. Step 2: Convert to fraction form
    3,034.24/4,185.78 = 2,635.40/x
  3. Step 3: Cross multiply
    3,034.24x = 4,185.78 × 2,635.40
  4. Step 4: Simplify right side
    3,034.24x = 11,031,204.61
  5. Step 5: Solve for x
    x = 11,031,204.61/3,034.24
  6. Step 6: Final answer
    x = 3,635.57

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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.