Home / 2,110.90-2,910.04-1,446.70

Finding the Fourth Proportional to 2,110.90, 2,910.04 and 1,446.70

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Solution

The fourth proportional to 2,110.90, 2,910.04 and 1,446.70 is: 1,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.90 : 2,910.04 = 1,446.70 : x
  2. Step 2: Convert to fraction form
    2,110.90/2,910.04 = 1,446.70/x
  3. Step 3: Cross multiply
    2,110.90x = 2,910.04 × 1,446.70
  4. Step 4: Simplify right side
    2,110.90x = 4,209,954.87
  5. Step 5: Solve for x
    x = 4,209,954.87/2,110.90
  6. Step 6: Final answer
    x = 1,994.39

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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.