Home / 3,108.15-4,289.23-1,710.90

Finding the Fourth Proportional to 3,108.15, 4,289.23 and 1,710.90

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Solution

The fourth proportional to 3,108.15, 4,289.23 and 1,710.90 is: 2,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.15 : 4,289.23 = 1,710.90 : x
  2. Step 2: Convert to fraction form
    3,108.15/4,289.23 = 1,710.90/x
  3. Step 3: Cross multiply
    3,108.15x = 4,289.23 × 1,710.90
  4. Step 4: Simplify right side
    3,108.15x = 7,338,439.33
  5. Step 5: Solve for x
    x = 7,338,439.33/3,108.15
  6. Step 6: Final answer
    x = 2,361.03

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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.