Home / 3,237.79-4,468.00-1,821.59

Finding the Fourth Proportional to 3,237.79, 4,468.00 and 1,821.59

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Solution

The fourth proportional to 3,237.79, 4,468.00 and 1,821.59 is: 2,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.79 : 4,468.00 = 1,821.59 : x
  2. Step 2: Convert to fraction form
    3,237.79/4,468.00 = 1,821.59/x
  3. Step 3: Cross multiply
    3,237.79x = 4,468.00 × 1,821.59
  4. Step 4: Simplify right side
    3,237.79x = 8,138,855.01
  5. Step 5: Solve for x
    x = 8,138,855.01/3,237.79
  6. Step 6: Final answer
    x = 2,513.71

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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.