Home / 3,605.80-4,976.48-2,114.30

Finding the Fourth Proportional to 3,605.80, 4,976.48 and 2,114.30

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Solution

The fourth proportional to 3,605.80, 4,976.48 and 2,114.30 is: 2,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.80 : 4,976.48 = 2,114.30 : x
  2. Step 2: Convert to fraction form
    3,605.80/4,976.48 = 2,114.30/x
  3. Step 3: Cross multiply
    3,605.80x = 4,976.48 × 2,114.30
  4. Step 4: Simplify right side
    3,605.80x = 10,521,771.66
  5. Step 5: Solve for x
    x = 10,521,771.66/3,605.80
  6. Step 6: Final answer
    x = 2,918.01

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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.