Home / 2,110.29-2,910.53-1,968.81

Finding the Fourth Proportional to 2,110.29, 2,910.53 and 1,968.81

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Solution

The fourth proportional to 2,110.29, 2,910.53 and 1,968.81 is: 2,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.29 : 2,910.53 = 1,968.81 : x
  2. Step 2: Convert to fraction form
    2,110.29/2,910.53 = 1,968.81/x
  3. Step 3: Cross multiply
    2,110.29x = 2,910.53 × 1,968.81
  4. Step 4: Simplify right side
    2,110.29x = 5,730,290.95
  5. Step 5: Solve for x
    x = 5,730,290.95/2,110.29
  6. Step 6: Final answer
    x = 2,715.41

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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.