Home / 3,403.85-4,698.92-2,271.39

Finding the Fourth Proportional to 3,403.85, 4,698.92 and 2,271.39

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Solution

The fourth proportional to 3,403.85, 4,698.92 and 2,271.39 is: 3,135.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.85 : 4,698.92 = 2,271.39 : x
  2. Step 2: Convert to fraction form
    3,403.85/4,698.92 = 2,271.39/x
  3. Step 3: Cross multiply
    3,403.85x = 4,698.92 × 2,271.39
  4. Step 4: Simplify right side
    3,403.85x = 10,673,068.54
  5. Step 5: Solve for x
    x = 10,673,068.54/3,403.85
  6. Step 6: Final answer
    x = 3,135.59

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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.