Home / 2,759.22-3,808.45-1,710.90

Finding the Fourth Proportional to 2,759.22, 3,808.45 and 1,710.90

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Solution

The fourth proportional to 2,759.22, 3,808.45 and 1,710.90 is: 2,361.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.22 : 3,808.45 = 1,710.90 : x
  2. Step 2: Convert to fraction form
    2,759.22/3,808.45 = 1,710.90/x
  3. Step 3: Cross multiply
    2,759.22x = 3,808.45 × 1,710.90
  4. Step 4: Simplify right side
    2,759.22x = 6,515,877.11
  5. Step 5: Solve for x
    x = 6,515,877.11/2,759.22
  6. Step 6: Final answer
    x = 2,361.49

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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.