Home / 2,309.88-3,190.28-2,110.22

Finding the Fourth Proportional to 2,309.88, 3,190.28 and 2,110.22

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Solution

The fourth proportional to 2,309.88, 3,190.28 and 2,110.22 is: 2,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309.88 : 3,190.28 = 2,110.22 : x
  2. Step 2: Convert to fraction form
    2,309.88/3,190.28 = 2,110.22/x
  3. Step 3: Cross multiply
    2,309.88x = 3,190.28 × 2,110.22
  4. Step 4: Simplify right side
    2,309.88x = 6,732,166.16
  5. Step 5: Solve for x
    x = 6,732,166.16/2,309.88
  6. Step 6: Final answer
    x = 2,914.51

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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.