Home / 3,215.07-4,813.73-1,651.70

Finding the Fourth Proportional to 3,215.07, 4,813.73 and 1,651.70

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Solution

The fourth proportional to 3,215.07, 4,813.73 and 1,651.70 is: 2,472.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.07 : 4,813.73 = 1,651.70 : x
  2. Step 2: Convert to fraction form
    3,215.07/4,813.73 = 1,651.70/x
  3. Step 3: Cross multiply
    3,215.07x = 4,813.73 × 1,651.70
  4. Step 4: Simplify right side
    3,215.07x = 7,950,847.81
  5. Step 5: Solve for x
    x = 7,950,847.81/3,215.07
  6. Step 6: Final answer
    x = 2,472.99

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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.