Home / 3,291.85-4,542.57-1,799.49

Finding the Fourth Proportional to 3,291.85, 4,542.57 and 1,799.49

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Solution

The fourth proportional to 3,291.85, 4,542.57 and 1,799.49 is: 2,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.85 : 4,542.57 = 1,799.49 : x
  2. Step 2: Convert to fraction form
    3,291.85/4,542.57 = 1,799.49/x
  3. Step 3: Cross multiply
    3,291.85x = 4,542.57 × 1,799.49
  4. Step 4: Simplify right side
    3,291.85x = 8,174,309.29
  5. Step 5: Solve for x
    x = 8,174,309.29/3,291.85
  6. Step 6: Final answer
    x = 2,483.20

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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.