Home / 3,201.17-4,416.59-1,803.65

Finding the Fourth Proportional to 3,201.17, 4,416.59 and 1,803.65

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Solution

The fourth proportional to 3,201.17, 4,416.59 and 1,803.65 is: 2,488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.17 : 4,416.59 = 1,803.65 : x
  2. Step 2: Convert to fraction form
    3,201.17/4,416.59 = 1,803.65/x
  3. Step 3: Cross multiply
    3,201.17x = 4,416.59 × 1,803.65
  4. Step 4: Simplify right side
    3,201.17x = 7,965,964.98
  5. Step 5: Solve for x
    x = 7,965,964.98/3,201.17
  6. Step 6: Final answer
    x = 2,488.46

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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.