Home / 3,291.21-4,541.92-1,799.21

Finding the Fourth Proportional to 3,291.21, 4,541.92 and 1,799.21

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Solution

The fourth proportional to 3,291.21, 4,541.92 and 1,799.21 is: 2,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.21 : 4,541.92 = 1,799.21 : x
  2. Step 2: Convert to fraction form
    3,291.21/4,541.92 = 1,799.21/x
  3. Step 3: Cross multiply
    3,291.21x = 4,541.92 × 1,799.21
  4. Step 4: Simplify right side
    3,291.21x = 8,171,874.74
  5. Step 5: Solve for x
    x = 8,171,874.74/3,291.21
  6. Step 6: Final answer
    x = 2,482.94

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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.