Home / 3,230.35-4,456.23-2,111.94

Finding the Fourth Proportional to 3,230.35, 4,456.23 and 2,111.94

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Solution

The fourth proportional to 3,230.35, 4,456.23 and 2,111.94 is: 2,913.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.35 : 4,456.23 = 2,111.94 : x
  2. Step 2: Convert to fraction form
    3,230.35/4,456.23 = 2,111.94/x
  3. Step 3: Cross multiply
    3,230.35x = 4,456.23 × 2,111.94
  4. Step 4: Simplify right side
    3,230.35x = 9,411,290.39
  5. Step 5: Solve for x
    x = 9,411,290.39/3,230.35
  6. Step 6: Final answer
    x = 2,913.40

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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.