Home / 3,417.66-5,120.73-2,491.92

Finding the Fourth Proportional to 3,417.66, 5,120.73 and 2,491.92

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Solution

The fourth proportional to 3,417.66, 5,120.73 and 2,491.92 is: 3,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.66 : 5,120.73 = 2,491.92 : x
  2. Step 2: Convert to fraction form
    3,417.66/5,120.73 = 2,491.92/x
  3. Step 3: Cross multiply
    3,417.66x = 5,120.73 × 2,491.92
  4. Step 4: Simplify right side
    3,417.66x = 12,760,449.50
  5. Step 5: Solve for x
    x = 12,760,449.50/3,417.66
  6. Step 6: Final answer
    x = 3,733.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.