Home / 3,403.88-5,104.74-1,323.74

Finding the Fourth Proportional to 3,403.88, 5,104.74 and 1,323.74

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Solution

The fourth proportional to 3,403.88, 5,104.74 and 1,323.74 is: 1,985.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.88 : 5,104.74 = 1,323.74 : x
  2. Step 2: Convert to fraction form
    3,403.88/5,104.74 = 1,323.74/x
  3. Step 3: Cross multiply
    3,403.88x = 5,104.74 × 1,323.74
  4. Step 4: Simplify right side
    3,403.88x = 6,757,348.53
  5. Step 5: Solve for x
    x = 6,757,348.53/3,403.88
  6. Step 6: Final answer
    x = 1,985.19

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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.