Home / 2,107.89-2,909.66-1,714.23

Finding the Fourth Proportional to 2,107.89, 2,909.66 and 1,714.23

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Solution

The fourth proportional to 2,107.89, 2,909.66 and 1,714.23 is: 2,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.89 : 2,909.66 = 1,714.23 : x
  2. Step 2: Convert to fraction form
    2,107.89/2,909.66 = 1,714.23/x
  3. Step 3: Cross multiply
    2,107.89x = 2,909.66 × 1,714.23
  4. Step 4: Simplify right side
    2,107.89x = 4,987,817.89
  5. Step 5: Solve for x
    x = 4,987,817.89/2,107.89
  6. Step 6: Final answer
    x = 2,366.26

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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.