Home / 3,201.19-4,417.67-1,803.94

Finding the Fourth Proportional to 3,201.19, 4,417.67 and 1,803.94

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Solution

The fourth proportional to 3,201.19, 4,417.67 and 1,803.94 is: 2,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.19 : 4,417.67 = 1,803.94 : x
  2. Step 2: Convert to fraction form
    3,201.19/4,417.67 = 1,803.94/x
  3. Step 3: Cross multiply
    3,201.19x = 4,417.67 × 1,803.94
  4. Step 4: Simplify right side
    3,201.19x = 7,969,205.09
  5. Step 5: Solve for x
    x = 7,969,205.09/3,201.19
  6. Step 6: Final answer
    x = 2,489.45

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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.