Home / 3,403.09-4,699.26-2,146.39

Finding the Fourth Proportional to 3,403.09, 4,699.26 and 2,146.39

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Solution

The fourth proportional to 3,403.09, 4,699.26 and 2,146.39 is: 2,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.09 : 4,699.26 = 2,146.39 : x
  2. Step 2: Convert to fraction form
    3,403.09/4,699.26 = 2,146.39/x
  3. Step 3: Cross multiply
    3,403.09x = 4,699.26 × 2,146.39
  4. Step 4: Simplify right side
    3,403.09x = 10,086,444.67
  5. Step 5: Solve for x
    x = 10,086,444.67/3,403.09
  6. Step 6: Final answer
    x = 2,963.91

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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.