Home / 3,220.52-4,443.27-1,803.99

Finding the Fourth Proportional to 3,220.52, 4,443.27 and 1,803.99

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Solution

The fourth proportional to 3,220.52, 4,443.27 and 1,803.99 is: 2,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.52 : 4,443.27 = 1,803.99 : x
  2. Step 2: Convert to fraction form
    3,220.52/4,443.27 = 1,803.99/x
  3. Step 3: Cross multiply
    3,220.52x = 4,443.27 × 1,803.99
  4. Step 4: Simplify right side
    3,220.52x = 8,015,614.65
  5. Step 5: Solve for x
    x = 8,015,614.65/3,220.52
  6. Step 6: Final answer
    x = 2,488.92

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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.