Home / 2,110.67-2,912.88-1,553.69

Finding the Fourth Proportional to 2,110.67, 2,912.88 and 1,553.69

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Solution

The fourth proportional to 2,110.67, 2,912.88 and 1,553.69 is: 2,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.67 : 2,912.88 = 1,553.69 : x
  2. Step 2: Convert to fraction form
    2,110.67/2,912.88 = 1,553.69/x
  3. Step 3: Cross multiply
    2,110.67x = 2,912.88 × 1,553.69
  4. Step 4: Simplify right side
    2,110.67x = 4,525,697.96
  5. Step 5: Solve for x
    x = 4,525,697.96/2,110.67
  6. Step 6: Final answer
    x = 2,144.20

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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.