Home / 3,776.90-5,212.13-2,098.26

Finding the Fourth Proportional to 3,776.90, 5,212.13 and 2,098.26

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Solution

The fourth proportional to 3,776.90, 5,212.13 and 2,098.26 is: 2,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.90 : 5,212.13 = 2,098.26 : x
  2. Step 2: Convert to fraction form
    3,776.90/5,212.13 = 2,098.26/x
  3. Step 3: Cross multiply
    3,776.90x = 5,212.13 × 2,098.26
  4. Step 4: Simplify right side
    3,776.90x = 10,936,393.40
  5. Step 5: Solve for x
    x = 10,936,393.40/3,776.90
  6. Step 6: Final answer
    x = 2,895.60

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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.