Home / 2,110.55-3,171.90-2,074.10

Finding the Fourth Proportional to 2,110.55, 3,171.90 and 2,074.10

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Solution

The fourth proportional to 2,110.55, 3,171.90 and 2,074.10 is: 3,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.55 : 3,171.90 = 2,074.10 : x
  2. Step 2: Convert to fraction form
    2,110.55/3,171.90 = 2,074.10/x
  3. Step 3: Cross multiply
    2,110.55x = 3,171.90 × 2,074.10
  4. Step 4: Simplify right side
    2,110.55x = 6,578,837.79
  5. Step 5: Solve for x
    x = 6,578,837.79/2,110.55
  6. Step 6: Final answer
    x = 3,117.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.