Home / 3,551.60-5,329.82-1,821.44

Finding the Fourth Proportional to 3,551.60, 5,329.82 and 1,821.44

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Solution

The fourth proportional to 3,551.60, 5,329.82 and 1,821.44 is: 2,733.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.60 : 5,329.82 = 1,821.44 : x
  2. Step 2: Convert to fraction form
    3,551.60/5,329.82 = 1,821.44/x
  3. Step 3: Cross multiply
    3,551.60x = 5,329.82 × 1,821.44
  4. Step 4: Simplify right side
    3,551.60x = 9,707,925.25
  5. Step 5: Solve for x
    x = 9,707,925.25/3,551.60
  6. Step 6: Final answer
    x = 2,733.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.