Home / 3,368.89-4,648.29-2,042.31

Finding the Fourth Proportional to 3,368.89, 4,648.29 and 2,042.31

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Solution

The fourth proportional to 3,368.89, 4,648.29 and 2,042.31 is: 2,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.89 : 4,648.29 = 2,042.31 : x
  2. Step 2: Convert to fraction form
    3,368.89/4,648.29 = 2,042.31/x
  3. Step 3: Cross multiply
    3,368.89x = 4,648.29 × 2,042.31
  4. Step 4: Simplify right side
    3,368.89x = 9,493,249.15
  5. Step 5: Solve for x
    x = 9,493,249.15/3,368.89
  6. Step 6: Final answer
    x = 2,817.92

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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.