Home / 2,110.87-2,911.70-1,314.59

Finding the Fourth Proportional to 2,110.87, 2,911.70 and 1,314.59

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Solution

The fourth proportional to 2,110.87, 2,911.70 and 1,314.59 is: 1,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.87 : 2,911.70 = 1,314.59 : x
  2. Step 2: Convert to fraction form
    2,110.87/2,911.70 = 1,314.59/x
  3. Step 3: Cross multiply
    2,110.87x = 2,911.70 × 1,314.59
  4. Step 4: Simplify right side
    2,110.87x = 3,827,685.13
  5. Step 5: Solve for x
    x = 3,827,685.13/2,110.87
  6. Step 6: Final answer
    x = 1,813.33

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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.