Home / 3,235.80-4,455.16-2,940.18

Finding the Fourth Proportional to 3,235.80, 4,455.16 and 2,940.18

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Solution

The fourth proportional to 3,235.80, 4,455.16 and 2,940.18 is: 4,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.80 : 4,455.16 = 2,940.18 : x
  2. Step 2: Convert to fraction form
    3,235.80/4,455.16 = 2,940.18/x
  3. Step 3: Cross multiply
    3,235.80x = 4,455.16 × 2,940.18
  4. Step 4: Simplify right side
    3,235.80x = 13,098,972.33
  5. Step 5: Solve for x
    x = 13,098,972.33/3,235.80
  6. Step 6: Final answer
    x = 4,048.14

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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.