Home / 2,110.68-2,913.54-1,889.22

Finding the Fourth Proportional to 2,110.68, 2,913.54 and 1,889.22

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Solution

The fourth proportional to 2,110.68, 2,913.54 and 1,889.22 is: 2,607.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.68 : 2,913.54 = 1,889.22 : x
  2. Step 2: Convert to fraction form
    2,110.68/2,913.54 = 1,889.22/x
  3. Step 3: Cross multiply
    2,110.68x = 2,913.54 × 1,889.22
  4. Step 4: Simplify right side
    2,110.68x = 5,504,318.04
  5. Step 5: Solve for x
    x = 5,504,318.04/2,110.68
  6. Step 6: Final answer
    x = 2,607.84

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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.